Note: Ingredients listed on restricted chemical lists
EC/CAS
51-28-5
Name of the chemical
Dinitrophenol isomers
Concentration
>=70-<90
General Information
Version
6.4
Revision date
2025-07-14
Product name
2,4-Dinitrophenol
CAS No.
51-28-5
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H300, H311+H331, H372, H400
Hazard statements
Code
Statements
H300
Fatal if swallowed
Section 2
SECTION 2: Hazards identification
Other hazards
Explosive when dry
Signal word
Danger
Hazard statements
H300 Fatal if swallowed. H311 + H331 Toxic in contact with skin or if inhaled. H372 Causes damage to organs through prolonged or repeated exposure. H400 Very toxic to aquatic life.
Prevention
P260 Do not breathe dust. P264 Wash 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. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing.
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 unwell. P304 + P340 + P311 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor. P314 Get medical advice/ attention if you feel unwell. P362 Take off contaminated clothing and wash 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.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Acute toxicity (Oral) : Category 2 Acute toxicity : Category 3 (Inhalation) Acute toxicity (Dermal) : Category 3 Specific target organ : Category 1 toxicity - repeated exposure Short-term (acute) : Category 1 aquatic hazard Other hazards Explosive when dry.