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

Modify Date: 2024-01-02 17:35:35

1,1,3,3,5,5,7,7-octamethyltetrasiloxane structure	Common Name	1,1,3,3,5,5,7,7-octamethyltetrasiloxane
	CAS Number	1000-05-1	Molecular Weight	282.632
	Density	0.863	Boiling Point	205.1±23.0 °C at 760 mmHg
	Molecular Formula	C₈H₂₆O₃Si₄	Melting Point	<0ºC
	MSDS	N/A	Flash Point	77.8±22.6 °C

Name	[[(dimethyl-λ3-silanyl)oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilicon
Synonym	More Synonyms

Density	0.863
Boiling Point	205.1±23.0 °C at 760 mmHg
Melting Point	<0ºC
Molecular Formula	C₈H₂₆O₃Si₄
Molecular Weight	282.632
Flash Point	77.8±22.6 °C
Exact Mass	282.095886
PSA	27.69000
LogP	7.69
Vapour Pressure	0.4±0.4 mmHg at 25°C
Index of Refraction	1.3875
Storage condition	2~8℃

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XF3902000

CHEMICAL NAME :: Tetrasiloxane, 1,1,3,3,5,5,7,7-octamethyl-

CAS REGISTRY NUMBER :: 1000-05-1

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C8-H26-O2-Si4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 9 gm/m3/6H/4W-I

TOXIC EFFECTS :: Liver - other changes Liver - changes in liver weight

REFERENCE :: TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 15,182,1995

Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	26-36
RTECS	XF3902000
HS Code	2934999090

Precursor 8
CAS#:3277-26-7 1,1,3,3-Tetrame... CAS#:556-67-2 Octamethylcyclo... CAS#:541-05-9 hexamethylcyclo... CAS#:2474-02-4 1,7-dichlorooct...
CAS#:1066-35-9 Chlorodimethylsilane CAS#:1066-42-8 dimethylsilanediol CAS#:15933-59-2 1,1,3,3-Tetrame... CAS#:109-99-9 thf
DownStream 3
CAS#:1111-74-6 Dimethylsilane CAS#:541-05-9 hexamethylcyclo... CAS#:1189-93-1 1,1,3,3,5,5-hex...

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

Octamethyltetrasiloxane

EINECS 213-669-0

1,1,3,3,5,5,7,7-Octamethyl-tetrasiloxan

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

dihydro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane

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

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

MFCD00039789

1,1,3,3,5,5,7,7-Octamethyl Tetrasiloxane

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,1,3,3,5,5,7,7-octamethyltetrasiloxane
Price: ￥548.0/5g
Purity: 80.0%
Stocking Period: 3 Day
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,1,3,3,5,5,7,7-Octamethyltetrasiloxane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

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