Note: Ingredients listed on restricted chemical lists
EC/CAS
1336-21-6
Name of the chemical
ammonium hydroxide
Concentration
10-<25%
General Information
Version
2.3
Revision date
2026-06-16
Product name
Ammonia 20% 氢氧化铵, 20%
CAS No.
1336-21-6
1.2.1 Relevant identified uses
For Laboratory, Research or Manufacturing Use
Emergency telephone
+86 532 8388 9090
Icons in SDS
Company Information
company name
Avantor 中国
e-mail address of the competent person responsible for the Safety Data Sheet
SDS@avantorsciences.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H314, H318, H335, H400
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
According to Regulation (EC) No. 1272/2008 (CLP) Harmful if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage. May cause respiratory irritation. Very toxic to aquatic life. Classification of the substance or mixture
Health hazards
Acute toxicity, category 4, oral Skin corrosion, category 1A Serious eye damage, category 1 Specific target organ toxicity (single exposure), category 3, Respiratory tract irritation
Environmental hazards
Hazardous to the aquatic environment, acute, category 1
Signal word
Danger
Hazard statements
H302 - Harmful if swallowed. H314 - Causes severe skin burns and eye damage. H318 - Causes serious eye damage. H335 - May cause respiratory irritation. H400 - Very toxic to aquatic life.
Prevention
P260 - Do not breathe dust/fume/gas/mist/vapours/spray. P264 - Wash hands thoroughly after handling. P270 - Do not eat, drink or smoke when using this product. P271 - Use only outdoors or in a well-ventilated area. P273 - Avoid release to the environment. P280 - Wear protective gloves/protective clothing/eye protection/face protection.
Response
P301+P312 - IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P301+P330+P331 - IF SWALLOWED: rinse mouth. Do NOT induce vomiting. P303+P361+P353+P310 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. Immediately call a POISON CENTER/doctor. P304+P340+P312 - IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell. P305+P351+P338+P310 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. P330 - Rinse mouth. P363 - Wash contaminated clothing 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 appropriate treatment or disposal facility in accordance with applicable laws and regulations.
2.3 Other hazards
The mixture does not contain a substance fulfilling the PBT criteria. The mixture does not contain a substance fulfilling the vPvB criteria.
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 [CLP] Health hazards Acute toxicity, category 4, oral Skin corrosion, category 1A Serious eye damage, category 1 Specific target organ toxicity (single exposure), category 3, Respiratory tract irritation Environmental hazards Hazardous to the aquatic environment, acute, category 1