4316-23-8
4316-23-8 structure
- Name: 4-Methylphthalic acid
- Chemical Name: 4-Methylphthalic Acid
- CAS Number: 4316-23-8
- Molecular Formula: C9H8O4
- Molecular Weight: 180.157
- Catalog: Chemical reagent Organic reagent Aromatic acid
- Create Date: 2018-09-21 12:15:50
- Modify Date: 2025-08-20 12:33:01
| Name | 4-Methylphthalic Acid |
|---|---|
| Synonyms |
1,2-Benzenedicarboxylic acid, 4-methyl-
EINECS 224-333-8 MFCD00041946 4-Methylphthalic acid 4-methylbenzene-1,2-dicarboxylic acid |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 390.9±30.0 °C at 760 mmHg |
| Melting Point | 146-148 °C(lit.) |
| Molecular Formula | C9H8O4 |
| Molecular Weight | 180.157 |
| Flash Point | 204.4±21.1 °C |
| Exact Mass | 180.042252 |
| PSA | 74.60000 |
| LogP | 1.27 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.603 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2917399090 |
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |