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Terephthaloyl chloride

BGC Id:740006081636
CAS No:100-20-9
Synonyms:p-phthaloyl chlori ; tere-phthalicchloride ; p-phthanoylchloride ; bis(formaldehyde) ; terephthaloyl chlori ; phenylchloranuide ; 4-phthaloylchloride ; p-phthaloyl chloride ; 1,4-dichloroformyl ; tcl
Molecular Formula:C8H4Cl2O2
Molecular Weight:203.02
EINECS:202-829-5
Structural Formula

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The following 19 notable providers have been checked and can be recommended.
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Zehao Industry
Assay:99.0%min
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Leap Chem
Molecular Formula: C8H4Cl2O2 Molecular Weight: 203.02 Hazard Symbols: C,T UN Number: UN 2923 8/PG 3 WGKGermany: 3 PackingGroup: II HS Code: 29173980

The last intensive check and update was carried out on 2025/11/10.

Identify

Synonyms:
p-phthaloyl chlori ; tere-phthalicchloride ; p-phthanoylchloride ; bis(formaldehyde) ; terephthaloyl chlori ; phenylchloranuide ; 4-phthaloylchloride ; p-phthaloyl chloride ; 1,4-dichloroformyl ; tcl
CAS:
100-20-9
EINECS:
202-829-5
Molecular Formula:
C8H4Cl2O2
MDL:
MFCD00000693
SMILES:
BrCC(=O)C1=CC=C(C=C1)C1CCCCC1

Properties

Molecular Weight:
203.02 g·mol−1
Density:
1,34 g/cm3
Melting point:
79-81 °C(lit.)
Boiling point:
266 °C(lit.)
Flash point:
356 ºF
Solubility:
ethanol: 5%, clear
Physical Description:
white crystalline flakes
download Download Molfile

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Safety Information

Hazard Classes:
6.1
Hazardous Substances Data:
Non-Regulated Material ¹
Risk Codes:
34-23-35 (R)
Safety Codes:
26-27-36/37/39-45-38-28B (S)
WGK Germany:
3
RID / ADR:
UN 2923 8 / PG 3
RTECS:
WZ1797000
Storage temperature:
2-8 °C

What other providers are available for CAS 100-20-9?

In addition to the providers presented here for Terephthaloyl chloride with the CAS number 100-20-9, there are other 13 providers with slightly different product names available for this CAS number.

+5 additional providers that we know from the past
+2 additional providers that we know from the past
Dayang Chem (Hangzhou) Co.,Ltd. +5 additional providers that we know from the past




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