Diethyl terephthalate

Modify Date: 2024-01-02 18:21:28

Diethyl terephthalate Structure
Diethyl terephthalate structure
Common Name Diethyl terephthalate
CAS Number 636-09-9 Molecular Weight 222.23700
Density 1.11 Boiling Point 302 °C
Molecular Formula C12H14O4 Melting Point 42-45 °C
MSDS N/A Flash Point 117 °C

 Use of Diethyl terephthalate


Diethyl terephthalate is used in the production of polyesters.

 Names

Name diethyl terephthalate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.11
Boiling Point 302 °C
Melting Point 42-45 °C
Molecular Formula C12H14O4
Molecular Weight 222.23700
Flash Point 117 °C
Exact Mass 222.08900
PSA 52.60000
LogP 2.04000
Index of Refraction 1.507

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WZ1223400
CHEMICAL NAME :
Terephthalic acid, diethyl ester
CAS REGISTRY NUMBER :
636-09-9
BEILSTEIN REFERENCE NO. :
0650906
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C12-H14-O4
MOLECULAR WEIGHT :
222.26
WISWESSER LINE NOTATION :
2OVR DVO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1111 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity)
REFERENCE :
JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 56,1446,1967

 Safety Information

Risk Phrases 36/37/38
Safety Phrases S24/25
RTECS WZ1223400
HS Code 2917399090

 Synthetic Route

 Customs

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%

 Synonyms

MFCD00039891
diethyl benzene-1,4-dicarboxylate
EINECS 211-249-1