| Product Identification | Back to Contents | 【Product Name】
2,4-Diaminobenzenesulfonic acid | 【Synonyms】
1,3-Diaminobenzene-4-sulfonic acid
1,3-Diaminobenzene-6-sulfonic acid
1,3-Diaminobenzenesulfonic acid
2,4-Diaminobenzenesulfonic acid
4-n-Butylbenzoic acid
4-Sulfo-1,3-diaminobenzene
m-Phenylenediamine-4-sulfonic acid
p-Butylbenzoic acid | 【CAS】
20651-71-2 | 【CAS】
88-63-1 | 【Formula】
C11H14O2 | 【Formula】
C6H8N2O3S | 【Molecular Weight】
178.23 | 【Molecular Weight】
188.2 | 【EINECS】
201-846-5 | 【EINECS】
243-940-9 | 【RTECS】
DB5900000 | 【RTECS Class】
Primary Irritant | 【Beilstein/Gmelin】
2694057 | 【Beilstein/Gmelin】
2044046 | 【Beilstein Reference】
4-09-00-01880 | 【Beilstein Reference】
2-14-00-00443 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Liquid. | 【Appearance】
White crystalline powder. | 【Solubility in water】
Slightly soluble | 【Solubility in water】
Very soluble | 【Melting Point】
100-103 | 【Boiling Point】
313 | 【Boiling Point】
406 | 【pKa/pKb】
4.36 (pKa) | 【pKa/pKb】
2.90 (pKa) | 【Partition Coefficient】
3.33 | 【Partition Coefficient】
-.41 |
| First Aid Measures | Back to Contents | 【Ingestion】
Get medical aid. Wash mouth out with water. | 【Ingestion】
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Inhalation】
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin irritation. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
May cause eye irritation. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Storage】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. | 【Handling】
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause irritation of the digestive tract. May be harmful if swallowed. | 【Ingestion】
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. | 【Inhalation】
Causes respiratory tract irritation. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema. May be harmful if inhaled. May cause burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. | 【Skin】
Causes skin irritation. May be harmful if absorbed through the skin. | 【Eyes】
Causes eye irritation. |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Personal Protection】
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. |
| Fire Fighting Measures | Back to Contents | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Runoff from fire control or dilution water may cause pollution. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Vacuum or sweep up material and place into a suitable disposal container. | 【Small spills/leaks】
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Stability】
No data. | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong bases, oxidizing agents. | 【Incompatibilities】
Strong oxidizing agents, acids, acid chlorides, carbon dioxide, acid anhydrides. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. | 【Decomposition】
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. |
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| Company Name: | J & K SCIENTIFIC LTD. |
| Tel: | 400-666-7788 +86-10-82848833 |
| Fax: | +86-10-82849933 |
| WebSite: | www.jkchemical.com |
| Company Name: | Energy Chemical |
| Tel: | 021-58432009 / 400-005-6266 |
| Fax: | 021-58436166-800 |
| WebSite: | www.energy-chemical.com |
| Company Name: | Shanghai Hanhong Chemical Co., Ltd. |
| Tel: | 021-61521197,021-60496702,021-54302127,021-54306202,021-61525701,021-54308259 |
| Fax: | +86-21-54291107 |
| WebSite: | www.hanhonggroup.com |
| Company Name: | Syntechem Co.,Ltd |
| Tel: | info@syntechem.com QQ 421151915 |
| Fax: | E-Mail Inquiry |
| WebSite: | www.syntechem.com |
| Company Name: | China Langchem Inc. |
| Tel: | 0086-21-58956006,021-38701807;021-58950017 |
| Fax: | 0086-21-58956100 |
| WebSite: | www.langchem.com |
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