General Information
Version
7.3
Revision date
2025-11-07
Product name
Hydrazine monohydrochloride
CAS No.
2644-70-4
1.2.1 Relevant identified uses
For R&D use only. Not for pharmaceutical, household or other uses
Emergency telephone
+61 2 9037 2994
Icons in SDS
Company Information
company name
Merck Life Science Pty Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
customersupport.anz@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301+H311+H331, H317, H350, H410
Hazard statements
Code
Statements
H301+H311+H331
Toxic if swallowed, in contact with skin or if inhaled
Section 2
SECTION 2: Hazards identification
GHS Classification Acute toxicity (Oral) Category 3 Acute toxicity (Inhalation) Category 3 Acute toxicity (Dermal) Category 3 Skin sensitisation Category 1 Carcinogenicity Category 1B Short-term (acute) aquat- Category 1 ic hazard Long-term (chronic) Category 1 aquatic hazard
Signal word
Danger
Hazard statements
H301 + H311 + H331 Toxic if swallowed, in contact with skin or if inhaled. H317 May cause an allergic skin reaction. H350 May cause cancer. H410 Very toxic to aquatic life with long lasting effects.
Prevention
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing dust. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this prod- uct. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be al- lowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P302 + P352 + P312 IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/ doctor if you feel un- well. P304 + P340 + P311 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P333 + P313 If skin irritation or rash occurs: Get medi- cal advice/ attention. P361 + P364 Take off immediately all contaminated clothing and wash it before reuse. P391 Collect spillage.
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known.
2.1 Classification of the substance or mixture
Acute toxicity (Oral) : Category 3 Acute toxicity (Inhalation) : Category 3 Acute toxicity (Dermal) : Category 3 Skin sensitisation : Category 1 Carcinogenicity : Category 1B Short-term (acute) aquat- : Category 1 ic hazard Long-term (chronic) : Category 1 aquatic hazard
