| Product Identification | Back to Contents | 【Product Name】
Trimellitic anhydride | 【Synonyms】
1,2,4-Benzenetricarboxylic anhydride
1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid
1,3-Dioxo-2-benzofuran-5-carboxylic acid
Anhydrotrimellic acid
Benzene-1,2,4-tricarboxylic acid 1,2-anhydride | 【CAS】
552-30-7 | 【Formula】
C9H4O5 | 【Molecular Weight】
192.13 | 【EINECS】
209-008-0 | 【RTECS】
DC2050000 | 【RTECS Class】
Other | 【Merck】
12,9833 | 【Beilstein/Gmelin】
9394 | 【Beilstein Reference】
5-18-08-00312 | 【EC Index Number】
607-097-00-4 | 【EC Class】
Irritant; Sensitising |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Crystals or off-white flakes. | 【Solubility in water】
216 g/L | 【Melting Point】
162 - 165 | 【Boiling Point】
471 | 【Vapor Pressure】
1.2E-9 (25 C) | 【Density】
1.55 g/cm3 (20 C) | 【Partition Coefficient】
1.07 | 【Heat Of Vaporization】
77.2 kJ/mol | 【Usage】
In prepn of resins, adhesives, polymers, dyes, printing inks. | 【Vapor Density】
6.6 |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. Wash mouth out with water. | 【Inhalation】
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Handling】
Wash thoroughly after handling. Avoid contact with skin and eyes. Do not ingest or inhale. Use only in a chemical fume hood. |
| Hazards Identification | Back to Contents | 【Inhalation】
Causes respiratory tract irritation. May cause severe allergic respiratory reaction. May cause anemia. Similar compounds have caused asthma, cough, wheezing, shortness of breath, anemia, weakness chills, fever, aching muscles and joints. May lead to restrictive lung disease. | 【Skin】
Causes skin irritation. Causes redness and pain. | 【Eyes】
Causes eye irritation. Causes redness and pain. | 【Ingestion】
May cause irritation of the digestive tract. May cause nausea and vomiting. | 【EC Risk Phrase】
R 37 41 42/43 | 【EC Safety Phrase】
S 22 26 36/37/39 | 【UN (DOT)】
3335 |
| 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 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. | 【Exposure Effects】
Chronic inhalation may cause effects similar to those of acute inhalation. | 【Exposure limit(s)】
TLV: 0.005 ppm; 0.04 mg/m3 (ACGIH 1992-1993). NIOSH REL: TWA 0.005 ppm (0.04 mg/m3) Should be handled in the workplace as an extremely toxic substance. | 【Poison Class】
- |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
227 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam. | 【Upper exp. limit】
7 | 【Lower exp. limit】
1 | 【Fire Potential】
This chemical is combustible. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
4 | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents, strong acids, strong bases. | 【Decomposition】
Carbon monoxide, carbon dioxide. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
| Company Name: |
TAIYUAN RHF CO.,LTD. |
| Tel: |
+86 351 7031519 |
| Fax: |
+86 351 7031519 |
| WebSite: |
www.rhfchem.com |
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