General Information
Version
6
Revision date
2026-08-06
Product name
Methoxylamine hydrochloride
Product Synonyms
O-Methylhydroxylamine hydrochloride
CAS No.
593-56-6
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302+H312, H314, H317, H351, H372, H400, H412
Hazard statements
Code
Statements
H302+H312
Harmful if swallowed or in contact with skin
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid White Odorless Emergency Overview Harmful if swallowed. Harmful in contact with skin. Causes severe skin burns and eye damage. May cause an allergic skin reaction. Suspected of causing cancer. Causes damage to organs through prolonged or repeated exposure. Very toxic to aquatic life. Harmful to aquatic life with long lasting effects. Hygroscopic. Classification of the substance or mixture Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 4 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Carcinogenicity Category 2 Specific target organ toxicity - (repeated exposure) Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 3 Label Elements
Signal word
Danger Hazard Statements H314 - Causes severe skin burns and eye damage H317 - May cause an allergic skin reaction H351 - Suspected of causing cancer H372 - Causes damage to organs through prolonged or repeated exposure H400 - Very toxic to aquatic life H412 - Harmful to aquatic life with long lasting effects H302 + H312 - Harmful if swallowed or in contact with skin
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves/protective clothing/eye protection/face protection P273 - Avoid release to the environment
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth P331 - Do NOT induce vomiting P363 - Wash contaminated clothing before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Hygroscopic.
Health hazards
Harmful if swallowed. Harmful in contact with skin. Corrosive. Causes skin and eye burns. May cause an allergic skin reaction. Suspected of causing cancer. Causes damage to organs through prolonged or repeated exposure.
Environmental hazards
Very toxic to aquatic life. Harmful to aquatic life with long lasting effects. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems.
2.3 Other hazards
Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 4 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Carcinogenicity Category 2 Specific target organ toxicity - (repeated exposure) Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity