(2,3,6-trichlorophenyl)acetic acid
Tetrachlorophthalic anhydride
CAS: 117-08-8
Molecular Formula: C8Cl4O3
(2,3,6-trichlorophenyl)acetic acid - Names and Identifiers
| Name | Tetrachlorophthalic anhydride |
| Synonyms | NIATHAL TETRATHAL TETRATHAL(R) TETRACHLOROPHTHARIC ANHYDRIDE TETRACHLOROPHTHALIC ANHYDRIDE Tetrachlorophthalic anhydride Tetrachloro Phthalic Anhydride (2,3,6-trichlorophenyl)acetic acid 4,5,6,7-Tetrachlorp-l,3-dioxoph-thalan 4,5,6,7-TETRACHLORO-1,3-ISOBENZOFURANDIONE 4,5,6,7-Tetrachloro-1,3-isobenzofurandione 4,5,6,7-tetrachloro-2-benzofuran-1,3-dione 1,3-isobenzofurandione, 4,5,6,7-tetrachloro TETRACHLORO-1,2-BENZENEDICARBOXYLIC ANHYDRIDE Tetrachloro-1,2-benzenedicarboxylic acid anhydride |
| CAS | 117-08-8 |
| EINECS | 204-171-4 |
| InChI | InChI=1/C8Cl4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11 |
| InChIKey | AUHHYELHRWCWEZ-UHFFFAOYSA-N |
(2,3,6-trichlorophenyl)acetic acid - Physico-chemical Properties
| Molecular Formula | C8Cl4O3 |
| Molar Mass | 285.9 |
| Density | 1.49 |
| Melting Point | 253-257°C(lit.) |
| Boling Point | 371°C(lit.) |
| Flash Point | 362°C |
| Water Solubility | 0.8 mg/L (21 ºC) |
| Solubility | Chloroform (Slightly, Heated), DMSO (Heated), Methanol (Slightly, Heated) |
| Vapor Presure | 0.16 mm Hg ( 145 °C) |
| Appearance | Flakes |
| Color | White to off-white |
| Exposure Limit | ACGIH: TWA 0.002 mg/m3 (Skin) |
| BRN | 211560 |
| pKa | 3.01[at 20 ℃] |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Reacts with water. Combustible. Incompatible with strong oxidizing agents. Air and moisture sensitive. |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.656 |
| Physical and Chemical Properties | Density 1.49 melting point 254-258°C boiling point 371°C flash point 362°C water-soluble 0.8 mg/L (21°C) |
| Use | It is used as a phthalocyanine green pigment and a ton dye intermediate, and is also a raw material for alkyd resin. |
(2,3,6-trichlorophenyl)acetic acid - Risk and Safety
| Risk Codes | R45 - May cause cancer R41 - Risk of serious damage to eyes R42/43 - May cause sensitization by inhalation and skin contact. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S22 - Do not breathe dust. S24 - Avoid contact with skin. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | TI3450000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29173990 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: > 15800 mg/kg LD50 dermal Rabbit > 5000 mg/kg |
(2,3,6-trichlorophenyl)acetic acid - Upstream Downstream Industry
(2,3,6-trichlorophenyl)acetic acid - Reference Information
| LogP | 3.2 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | this product is a reactive flame retardant, which can be used for polyester and epoxy resin, but the effect is not as good as tetrabromodiphenyl anhydride. Tetrachlorobenzene dimethyl anhydride is also an intermediate in organic synthesis of pesticides (rice blast phthalide), dyes, drugs, plasticizers, and fire-proof paints. used as a phthalocyanine green pigment and a dye intermediate of the ton series, and also a raw material for alkyd resin used as a dye intermediate and plasticizer used in electroplating and other electronic industries |
| Production method | It is obtained by the reaction of phthalic anhydride by chlorination in sulfuric acid. It can also be prepared by heating and dehydrating chlorophthalic acid at 98°C. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:11:58
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Raw Materials for (2,3,6-trichlorophenyl)acetic acid