2,3,5,6-Tetrafluoroterephthalic acid

Modify Date: 2024-01-02 13:42:15

2,3,5,6-Tetrafluoroterephthalic acid Structure
2,3,5,6-Tetrafluoroterephthalic acid structure
Common Name 2,3,5,6-Tetrafluoroterephthalic acid
CAS Number 652-36-8 Molecular Weight 238.093
Density 1.8±0.1 g/cm3 Boiling Point 337.9±42.0 °C at 760 mmHg
Molecular Formula C8H2F4O4 Melting Point 275-277 °C (dec.)(lit.)
MSDS USA Flash Point 158.1±27.9 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name Tetrafluoroterephthalic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.8±0.1 g/cm3
Boiling Point 337.9±42.0 °C at 760 mmHg
Melting Point 275-277 °C (dec.)(lit.)
Molecular Formula C8H2F4O4
Molecular Weight 238.093
Flash Point 158.1±27.9 °C
Exact Mass 237.988922
PSA 74.60000
LogP 2.74
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.523

 Safety Information

Symbol GHS07
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-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2915900090

 Synthetic Route

 Customs

HS Code 2915900090
Summary 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

 Synonyms

2,3,5,6-Tetrafluoroterephthalic acid
2,3,5,6-tetrafluorobenzene-1,4-dicarboxylic acid
1,4-Benzenedicarboxylic acid, 2,3,5,6-tetrafluoro-
EINECS 211-489-7
MFCD00012301
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