| Product name: |
Trimellitic Anhydride |
| CAS RN: |
552-30-7 |
| SAFETY DATA SHEET: |
| 1、HAZARDS IDENTIFICATION |
| Classification of the substance or mixture |
PHYSICAL HAZARDS |
Not classified |
| HEALTH HAZARDS |
Acute toxicity (Oral) Category 5
Skin corrosion/irritation Category 3
Serious eye damage/eye irritation Category 1
Respiratory sensitization Category 1
Skin sensitization Category 1
Specific target organ toxicity - Single exposure [Category 1]
Respiratory system Specific target organ toxicity - Repeated exposure [Category 1] Blood system Respiratory system
|
| ENVIRONMENTAL HAZARDS |
Not classified
|
| Label elements |
Pictograms or hazard symbols |
  |
| Signal word |
Danger |
| Hazard statements |
May be harmful if swallowed
Causes mild skin irritation
Causes serious eye damage
May cause allergy or asthma symptoms or breathing difficulties if inhaled
May cause an allergic skin reaction
Causes damage to organs : Respiratory system
Causes damage to organs through prolonged or repeated
exposure : Blood system Respiratory system
|
Precautionary statements
[Prevention] |
Do not breathe dust, fume, mist, vapors or spray.
Do not eat, drink or smoke when using this product.
Contaminated work clothing should not be allowed out of the workplace.
Wash hands and face thoroughly after handling.
Wear respiratory protection.
Wear protective gloves, face protection.
|
| [Response] |
IF ON SKIN: Wash with plenty of soap and water. If skin irritation or rash occurs: Take off contaminated clothing. And wash it before reuse.
IF INHALED: Remove person to fresh air and keep comfortable for breathing. If experiencing respiratory symptoms: Call a POISON CENTER or doctor.
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 or doctor.
If exposed or concerned: Call a POISON CENTER or doctor.
|
| [Storage] |
Store locked up. |
| [Disposal] |
Dispose of contents and container in accordance with local, regional, national regulations. |
| 2、COMPOSITION/INFORMATION ON INGREDIENTS |
Substance/mixture: Substance
Components: Trimellitic Anhydride
Percent: >97.0%(HPLC)(T)
CAS RN: 552-30-7
Synonyms: 1,2,4-Benzenetricarboxylic 1,2-Anhydride , 4-Carboxyphthalic Anhydride
Chemical Formula: C9H4O5
|
| 3、 PHYSICAL AND CHEMICAL PROPERTIES |
Physical state (20°C): Solid
Form: Crystal - Powder
Colour: White - Pale yellow
Odour: Odorless
pH: No data available
Melting point/freezing point: 167°C
Boiling point/range: 245°C /1.9kPa
Flash point: No data available
Flammability or explosive limits:
Lower: 1% Upper: 7%
Vapour pressure: 0.1 x 10-6Pa/25°C
Vapour density: 6.6
Relative density: No data available
Solubility(ies):
[Water] No data available
[Other solvents] Soluble: Acetone, Ethanol, Dimethylformamide(DMF), Ethyl acetate, Many organic solvents
Insoluble: Carbon tetrachloride, Petroleum ether
Log Pow: 1.95
|
| 4、STABILITY AND REACTIVITY |
Chemical stability: Stable under proper conditions.
Possibility of hazardous reactions: Dust explosion possible if in powder or granular form, mixed with air.
Conditions to avoid: Static discharge Incompatible materials: Oxidizing agents, Strong acids, Strong bases
Hazardous decomposition products: Carbon dioxide, Carbon monoxide
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The company mainly produces silane-based pharmaceutical raw materials and pharmaceutical intermediates 