CAS 2474-02-4|1,7-dichlorooctamethyltetrasiloxane

Introduction：Basic information about CAS 2474-02-4|1,7-dichlorooctamethyltetrasiloxane, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	1,7-dichlorooctamethyltetrasiloxane
CAS Number	2474-02-4	Molecular Weight	351.522
Density	1.0±0.1 g/cm3	Boiling Point	246.6±23.0 °C at 760 mmHg
Molecular Formula	C₈H₂₄Cl₂O₃Si₄	Melting Point	-62ºC(lit.)
MSDS	/	Flash Point	87.8±0.0 °C

Names

Name	chloro-[[[chloro(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.0±0.1 g/cm3
Boiling Point	246.6±23.0 °C at 760 mmHg
Melting Point	-62ºC(lit.)
Molecular Formula	C₈H₂₄Cl₂O₃Si₄
Molecular Weight	351.522
Flash Point	87.8±0.0 °C
Exact Mass	350.017944
PSA	27.69000
LogP	8.54
Appearance of Characters	liquid
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.428
InChIKey	UHRAUGIQJXURFE-UHFFFAOYSA-N
SMILES	C[Si](C)(Cl)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)Cl

Safety Information

Hazard Codes	C: Corrosive;
Risk Phrases	R34
Safety Phrases	26-36/37/39-45
RIDADR	UN 2987 8/PG 2
WGK Germany	3
Packaging Group	II
HS Code	2934999090

Customs

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

1,7-Dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane

MFCD00045148

Tetrasiloxane, 1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-

Tetrasiloxane,1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl

EINECS 219-597-6

1,7-dichlorooctamethyltetrasiloxane

1,7-dichloro-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxane

1,7-Dichlor-1,1,3,3,5,5,7,7-octamethyl-tetrasiloxan

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