Diethyl terephthalate

Modify Date: 2025-08-24 17:41:15

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.

Name	diethyl terephthalate
Synonym	More Synonyms

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

Diethyl terephthalate MSDS(Chinese)

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

Risk Phrases	36/37/38
Safety Phrases	S24/25
RTECS	WZ1223400
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%

MFCD00039891

diethyl benzene-1,4-dicarboxylate

EINECS 211-249-1

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Diethyl terephthalate
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

DC Chemicals Limited
China
Product Name: Diethyl terephthalate
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,4-Benzenedicarboxylicacid, 1,4-diethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Diethyl terephthalate
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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