SAFETY DATA SHEET
Carbohydrazide
1. IDENTIFICATION
Product Identifiers
Product Name:
Carbohydrazide
Other Names:
Nil
Product Number(s):
12350, EMS12350
CAS Number:
497-18-7
Recommended use of the chemical and restriction on use
Laboratory use.
Company Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
Emergency Contact Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
GHS07
Acute toxicity - oral 4: H302 Harmful if swallowed.
Skin irritation 2: H315 Causes skin irritation.
Sensitization - skin 1: H317 May cause an allergic skin reaction.
Acute toxicity - oral 4: H302 Harmful if swallowed.
Skin irritation 2: H315 Causes skin irritation.
Sensitization - skin 1: H317 May cause an allergic skin reaction.
Label Elements

Signal Words
Warning
Hazard Statement(s)
Harmful if swallowed.
Causes skin irritation.
May cause an allergic skin reaction.
Causes skin irritation.
May cause an allergic skin reaction.
Precautionary Statement(s)
Avoid breathing dust/fume/gas/mist/vapours/spray
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
Contaminated work clothing must not be allowed out of the workplace.
Wear protective gloves.
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
Contaminated work clothing must not be allowed out of the workplace.
Wear protective gloves.
Primary route(s) of entry
Not available
Human Health
Inhalation:
No information available.
Ingestion:
Call a poison center/doctor if you feel unwell.
Rinse mouth.
Rinse mouth.
Eyes:
No information available.
Skin:
Wash with plenty of water.
Take off contaminated clothing and wash it before reuse.
If skin irritation or rash occurs: Get medical advice/attention.
Take off contaminated clothing and wash it before reuse.
If skin irritation or rash occurs: Get medical advice/attention.
Environment
Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION/INFORMATION ON INGREDIENTS
No information available.
4. FIRST AID MEASURES
Ingestion
If symptoms persist consult doctor.
Inhalation
Supply fresh air and to be sure call for a doctor.
In case of unconsciousness place patient stably in side position for transportation.
In case of unconsciousness place patient stably in side position for transportation.
Skin Contact
Immediately wash with water and soap and rinse thoroughly.
Eye Contact
Rinse opened eye for several minutes under running water.
Other Information
No further relevant information available.
5. FIREFIGHTING MEASURES
Suitable extinguishing equipment
Use fire fighting measures that suit the environment.
HAZCHEM
No further relevant information available.
Special protective equipment and precautions for fire fighters
6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Not required.
Environmental precautions
Inform respective authorities in case of seepage into water course or sewage system.
Do not allow to enter sewers/ surface or ground water.
Do not allow to enter sewers/ surface or ground water.
Methods and materials for containment and clean up
Pick up mechanically.
7. HANDLING AND STORAGE
Precautions for safe handling
· Precautions for safe handling Open and handle receptacle with care.
· Information about protection against explosions and fires: Keep respiratory protective device available.
· Information about protection against explosions and fires: Keep respiratory protective device available.
Conditions for safe storage
· Information about storage in one common storage facility: Not required.
· Further information about storage conditions: None.
· Specific end use(s) No further relevant information available.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Exposure Standards
Engineering controls
· Components with limit values that require monitoring at the workplace: Not required.
· Additional information: The lists that were valid during the creation were used as basis.
No further data; see section 7.
· Additional information: The lists that were valid during the creation were used as basis.
No further data; see section 7.
Personal protective equipment
Eye and face protection
Not required.
Avoid contact with the eyes and skin.
Avoid contact with the eyes and skin.
Skin protection
Avoid contact with the skin.
Avoid contact with the eyes and skin.
Avoid contact with the eyes and skin.
Body protection
Keep away from foodstuffs, beverages and feed.
Immediately remove all soiled and contaminated clothing.
Wash hands before breaks and at the end of work.
Store protective clothing separately.
Protective gloves
The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the
chemical mixture.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
· Material of gloves
The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and
varies from manufacturer to manufacturer.
· Penetration time of glove material
The exact break through time has to be found out by the manufacturer of the protective gloves and has to be
observed
Immediately remove all soiled and contaminated clothing.
Wash hands before breaks and at the end of work.
Store protective clothing separately.
Protective gloves
The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the
chemical mixture.
Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
· Material of gloves
The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and
varies from manufacturer to manufacturer.
· Penetration time of glove material
The exact break through time has to be found out by the manufacturer of the protective gloves and has to be
observed
Respiratory protection
Not required.
9. PHYSICAL AND CHEMICAL PROPERTIES
General information
Appearance
White solid
Odour
Odourless
pH
Not determined
Vapour Pressure
Not applicable.
Density
Not determined
Boiling Point
Undetermined
Melting Point
152 °C (305.6 °F)
Solubility
Not determined.
Specific Gravity of Density
at 20 °C (68 °F): 1.02 g/cm³ (8.5119 lbs/gal)
Flash Point
Not determined.
Flammable (Explosive) Limits
Not determined.
Ignition Temperature
Not determined.
Formula
CH₆N₄O or OC(N₂H₃)₂
10. STABILITY AND REACTIVITY
Reactivity
No further relevant information available.
Chemical stability
No decomposition if used according to specifications.
Possibility of hazardous reactions
No dangerous reactions known.
Conditions to avoid
No further relevant information available.
Incompatible materials
No further relevant information available.
· Hazardous decomposition products: No dangerous decomposition products known.
· Hazardous decomposition products: No dangerous decomposition products known.
11. TOXICOLOGICAL INFORMATION
Acute effects
Sensitization possible through skin contact.
Eye contact
No irritating effect
Skin contact
Irritant to skin and mucous membranes.
Ingestion
No information available.
Inhalation
No information available.
Toxicity and irritation
Carcinogenic categories
· IARC (International Agency for Research on Cancer) Substance is not listed.
· NTP (National Toxicology Program) Substance is not listed.
· OSHA-Ca (Occupational Safety Health Administration) Substance is not listed.
· Alternative sources for toxicological information
No non-standard sources for toxicological information where used.
· IARC (International Agency for Research on Cancer) Substance is not listed.
· NTP (National Toxicology Program) Substance is not listed.
· OSHA-Ca (Occupational Safety Health Administration) Substance is not listed.
· Alternative sources for toxicological information
No non-standard sources for toxicological information where used.
12. ECOLOGICAL INFORMATION
Ecotoxicity
No further relevant information available.
Persistence and degradability
No further relevant information available.
Bioaccumulative potential
No further relevant information available.
Other adverse effects
Mobility in soil No further relevant information available.
General notes:
Water hazard class 2 (Assessment by list): hazardous for water
Do not allow product to reach ground water, water course or sewage system.
Danger to drinking water if even small quantities leak into the ground.
Also poisonous for fish and plankton in water bodies.
Toxic for aquatic organisms
General notes:
Water hazard class 2 (Assessment by list): hazardous for water
Do not allow product to reach ground water, water course or sewage system.
Danger to drinking water if even small quantities leak into the ground.
Also poisonous for fish and plankton in water bodies.
Toxic for aquatic organisms
13. DISPOSAL CONSIDERATIONS
General information
Waste treatment methods
· Recommendation:
Must not be disposed of together with household garbage. Do not allow product to reach sewage system.
· Uncleaned packagings:
· Recommendation: Disposal must be made according to official regulations.
· Recommendation:
Must not be disposed of together with household garbage. Do not allow product to reach sewage system.
· Uncleaned packagings:
· Recommendation: Disposal must be made according to official regulations.
14. TRANSPORT INFORMATION
ADG label required



HAZCHEM
No further relevant information available.
UN Number
UN3077
Proper shipping name
· DOT RQ Environmentally hazardous substance, solid, n.o.s. (Carbohydrazide)
· ADR 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Carbohydrazide)
· IMDG, IATA ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Carbohydrazide)
· ADR 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Carbohydrazide)
· IMDG, IATA ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Carbohydrazide)
Transport hazard class
DOT
Class 9 Miscellaneous dangerous substances and articles
· Label 6.1
ADR
Class 9 Miscellaneous dangerous substances and articles
· Label 6.1
IMDG, IATA
Class 9 Miscellaneous dangerous substances and articles
· Label 9
Class 9 Miscellaneous dangerous substances and articles
· Label 6.1
ADR
Class 9 Miscellaneous dangerous substances and articles
· Label 6.1
IMDG, IATA
Class 9 Miscellaneous dangerous substances and articles
· Label 9
Packing group
III
Environmental hazard
Marine pollutant: Symbol (fish and tree)
· Special marking (ADR): Symbol (fish and tree)
· Special marking (IATA): Symbol (fish and tree)
· Special marking (ADR): Symbol (fish and tree)
· Special marking (IATA): Symbol (fish and tree)
Special precautions for users
Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code Not applicable.
Additional information
ADR
· Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 g
Maximum net quantity per outer packaging: 1000 g
· IMDG
· Limited quantities (LQ): 5 kg
· Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 g
Maximum net quantity per outer packaging: 1000 g
· Special precautions for user: Warning: Miscellaneous dangerous substances and articles
· Hazard identification number (Kemler code): 60
· EMS Number: F-A,S-F
· Stowage Category A
· Stowage Code SW23 When transported in BK3 bulk container, see 7.6.2.12 and 7.7.3.9.
· UN "Model Regulation": UN 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (CARBOHYDRAZIDE), 6.1, III
· Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 g
Maximum net quantity per outer packaging: 1000 g
· IMDG
· Limited quantities (LQ): 5 kg
· Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 g
Maximum net quantity per outer packaging: 1000 g
· Special precautions for user: Warning: Miscellaneous dangerous substances and articles
· Hazard identification number (Kemler code): 60
· EMS Number: F-A,S-F
· Stowage Category A
· Stowage Code SW23 When transported in BK3 bulk container, see 7.6.2.12 and 7.7.3.9.
· UN "Model Regulation": UN 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (CARBOHYDRAZIDE), 6.1, III
15. REGULATORY INFORMATION
Poisons Schedule Number
No further relevant information available.
Other Information
Sara
· Section 355 (extremely hazardous substances): Substance is not listed.
· Section 313 (Specific toxic chemical listings): Substance is not listed.
· TSCA (Toxic Substances Control Act): ACTIVE
· Hazardous Air Pollutants Substance is not listed.
· Proposition 65
· Chemicals known to cause cancer: Substance is not listed.
· Chemicals known to cause reproductive toxicity for females: Substance is not listed.
· Chemicals known to cause reproductive toxicity for males: Substance is not listed.
· Chemicals known to cause developmental toxicity: Substance is not listed.
· Carcinogenic categories
· EPA (Environmental Protection Agency) Substance is not listed.
· TLV (Threshold Limit Value) Substance is not listed.
· NIOSH-Ca (National Institute for Occupational Safety and Health) Substance is not listed.
· GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS).
· Section 355 (extremely hazardous substances): Substance is not listed.
· Section 313 (Specific toxic chemical listings): Substance is not listed.
· TSCA (Toxic Substances Control Act): ACTIVE
· Hazardous Air Pollutants Substance is not listed.
· Proposition 65
· Chemicals known to cause cancer: Substance is not listed.
· Chemicals known to cause reproductive toxicity for females: Substance is not listed.
· Chemicals known to cause reproductive toxicity for males: Substance is not listed.
· Chemicals known to cause developmental toxicity: Substance is not listed.
· Carcinogenic categories
· EPA (Environmental Protection Agency) Substance is not listed.
· TLV (Threshold Limit Value) Substance is not listed.
· NIOSH-Ca (National Institute for Occupational Safety and Health) Substance is not listed.
· GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS).
16. OTHER INFORMATION
SDS preparation date
26 November 2025
Comments
Abbreviations and acronyms:
ADR: Accord relatif au transport international des marchandises dangereuses par route (European Agreement Concerning the International
Carriage of Dangerous Goods by Road)
IMDG: International Maritime Code for Dangerous Goods
DOT: US Department of Transportation
IATA: International Air Transport Association
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
PBT: Persistent, Bioaccumulative and Toxic
vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
Acute toxicity - oral 4: Acute toxicity - Category 4
Skin irritation 2: Skin corrosion/irritation - Category 2
Sensitization - skin 1: Skin sensitisation - Category 1
ADR: Accord relatif au transport international des marchandises dangereuses par route (European Agreement Concerning the International
Carriage of Dangerous Goods by Road)
IMDG: International Maritime Code for Dangerous Goods
DOT: US Department of Transportation
IATA: International Air Transport Association
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
PBT: Persistent, Bioaccumulative and Toxic
vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
Acute toxicity - oral 4: Acute toxicity - Category 4
Skin irritation 2: Skin corrosion/irritation - Category 2
Sensitization - skin 1: Skin sensitisation - Category 1
References
EMS SDS Carbohydrazide 11/03/2025 https://www.emsdiasum.com/docs/technical/msds/12350.pdf?srsltid=AfmBOor8T2T9IGUI0gJIazSx0Ol08WZNTKzFSqUkJRZD-zplwyQnWj0B
This Safety Data Sheet (SDS) has been prepared in compliance with the Preparation of Safety Data Sheets for Hazardous Chemicals Code of Practice February 2016. It is the user's responsibility to determine the suitability of this information for adoption of necessary safety precautions. The information published in this SDS has been compiled from the publications listed in Section 16: to the best of our ability and knowledge these publications are considered accurate. We reserve the right to revise Safety Data Sheets as new information becomes available. Copies may be made for non-profit use.