HEPTAMETHYL CYCLOTETRASILOXANE

Modify Date: 2024-01-08 18:21:55

HEPTAMETHYL CYCLOTETRASILOXANE structure	Common Name	HEPTAMETHYL CYCLOTETRASILOXANE
	CAS Number	15721-05-8	Molecular Weight	282.589
	Density	0.958 g/cm3	Boiling Point	174.3±23.0 °C at 760 mmHg
	Molecular Formula	C₇H₂₂O₄Si₄	Melting Point	-27ºC
	MSDS	N/A	Flash Point	59.2±22.6 °C

Name	2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8λ3-tetraoxatetrasilocane
Synonym	More Synonyms

Density	0.958 g/cm3
Boiling Point	174.3±23.0 °C at 760 mmHg
Melting Point	-27ºC
Molecular Formula	C₇H₂₂O₄Si₄
Molecular Weight	282.589
Flash Point	59.2±22.6 °C
Exact Mass	282.059509
PSA	36.92000
LogP	2.02210
Vapour Pressure	1.6±0.3 mmHg at 25°C
Index of Refraction	1.3965

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GZ4391000

CHEMICAL NAME :: Cyclotetrasiloxane, heptamethyl-

CAS REGISTRY NUMBER :: 15721-05-8

BEILSTEIN REFERENCE NO. :: 1786647

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H22-O4-Si4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1228,1986

Risk Phrases	10
Safety Phrases	16
RIDADR	UN 1993
HS Code	2901100000

methyl dichloro...

CAS#:75-54-7

Dichlorodimethy...

CAS#:75-78-5

~60%

HEPTAMETHYL CYC...

CAS#:15721-05-8

Literature: Martynova; Voronkov Russian Journal of Applied Chemistry, 2000 , vol. 73, # 5 p. 921 - 922

methyl dichloro...

CAS#:75-54-7

1,5-dichlorohex...

CAS#:3582-71-6

~5%

HEPTAMETHYL CYC...

CAS#:15721-05-8

Literature: Juengst, Clifford D.; Weber, William P.; Manuel, Georges Journal of Organometallic Chemistry, 1986 , vol. 308, p. 187 - 194

HS Code	2901100000
Summary	2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Heptamethylcyclotetrasiloxane

2,4,4,6,6,8,8-Heptamethylcyclotetrasiloxan

1,3,3,5,5,7,7-Heptamethylcyclotetrasiloxan

2,2,4,4,6,6,8-Heptamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane

Cyclotetrasiloxane, 2,2,4,4,6,6,8-heptamethyl-

CYCLOTETRASILOXANE,HEPTAMETHYL

1,3,3,5,5,7,7-heptamethylcyclotetrasiloxane

2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8

Heptamethyl-cyclotetrasiloxan

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: HEPTAMETHYLCYCLOTETRASILOXANE, tech-95
Price: Negotiable
Purity: 92.0%
Delivery: 10 Day
Contact: Huang
Email: sales@echemcloud.com

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HEPTAMETHYL CYCLOTETRASILOXANE

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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