Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,1,3,3-Tetramethyldisiloxane
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,1,3,3-Tetramethyldisiloxane
Price: ￥268.0/100ml ￥98.0/25ml
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia

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

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1,1,3,3-Tetramethyldisiloxane
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

3277-26-7

3277-26-7 structure

3277-26-7 structure

Name: 1,1,3,3-Tetramethyldisiloxane
Chemical Name: (dimethyl-λ3-silanyl)oxy-dimethylsilicon
CAS Number: 3277-26-7
Molecular Formula: C₄H₁₄OSi₂
Molecular Weight: 134.324
Catalog: Chemical reagent Organic reagent Siloxane
Create Date: 2018-05-11 08:00:00
Modify Date: 2024-01-03 02:02:08

Name	(dimethyl-λ3-silanyl)oxy-dimethylsilicon
Synonyms	Dimethylsilyl ether [Me2Si(H)]2O Bis(dimethylsilyl) oxide Tetramethyldisiloxane Disiloxane, 1,1,3,3-tetramethyl- [HSi(Me2)]2O EINECS 221-906-4 sym-Tetramethyldisiloxane 1,1,3,3-Tetramethyldisiloxane 1,3-Dihydrotetramethyldisiloxane HSiMe2OSiMe2H DISILOXANE,1,1,3,3-TETRAMETHYL MFCD00008256 Bis(dimethylsilyl) ether

Density	0.76 g/mL at 25 °C(lit.)
Boiling Point	70.8±9.0 °C at 760 mmHg
Melting Point	<-78ºC
Molecular Formula	C₄H₁₄OSi₂
Molecular Weight	134.324
Flash Point	-3.4±18.7 °C
Exact Mass	134.058319
PSA	9.23000
LogP	4.12
Vapour Pressure	138.4±0.1 mmHg at 25°C
Index of Refraction	n20/D 1.370(lit.)
Storage condition	2-8°C
Water Solubility	DECOMPOSES

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JN1000000

CHEMICAL NAME :: Disiloxane, 1,1,3,3-tetramethyl-

CAS REGISTRY NUMBER :: 3277-26-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C4-H14-O-Si2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

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: -,1221,1986

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 gm/m3/2H

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: -,1221,1986

Hazard Codes	F: Flammable;
Risk Phrases	R11
Safety Phrases	S16-S26-S36-S9-S33-S29
RIDADR	UN 2924 3/PG 2
WGK Germany	3
RTECS	JN1000000
Packaging Group	II
Hazard Class	3
HS Code	29310095

Precursor 9
2401-73-2 78-10-4 14857-34-2 1066-35-9
116417-16-4 2441-21-6 75-54-7 676-58-4
1438-82-0
DownStream 10
107-50-6 556-67-2 541-02-6 540-97-6
556-68-3 2441-21-6 98-82-8 19095-23-9
19095-24-0 18405-83-9

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