Hexamethyldisilane

Modify Date: 2025-08-23 14:52:35

Hexamethyldisilane Structure
Hexamethyldisilane structure
 Common Name Hexamethyldisilane
CAS Number 1450-14-2 Molecular Weight 146.378
Density 0.7±0.1 g/cm3 Boiling Point 113.5±9.0 °C at 760 mmHg
Molecular Formula C6H18Si2 Melting Point 9-12 °C(lit.)
MSDS Chinese USA Flash Point 5.8±11.8 °C
Symbol GHS02 GHS07 GHS08
GHS02, GHS07, GHS08		 Signal Word Danger

 Names

Name Hexamethyldisilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.7±0.1 g/cm3
Boiling Point 113.5±9.0 °C at 760 mmHg
Melting Point 9-12 °C(lit.)
Molecular Formula C6H18Si2
Molecular Weight 146.378
Flash Point 5.8±11.8 °C
Exact Mass 146.094696
LogP 2.50
Vapour Pressure 24.5±0.2 mmHg at 25°C
Index of Refraction 1.391
Storage condition Flammables area

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
JM9170000
CHEMICAL NAME :
Disilane, hexamethyl-
CAS REGISTRY NUMBER :
1450-14-2
LAST UPDATED :
199706
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C6-H18-Si2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>20 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 59(4),14,1994
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>20 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 59(4),14,1994
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>20 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 59(4),14,1994

 Safety Information

Symbol GHS02 GHS07 GHS08
GHS02, GHS07, GHS08
Signal Word Danger
Hazard Statements H225-H319-H334-H335
Precautionary Statements P210-P261-P305 + P351 + P338-P342 + P311
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable
Risk Phrases R11
Safety Phrases S16-S23-S45-S9-S33
RIDADR UN 1993 3/PG 2
WGK Germany 2
RTECS JM9170000
Packaging Group II
Hazard Class 3
HS Code 29310095

 Synthetic Route

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Articles5

More Articles
Occurrence and characterization of a tetrahedral nucleopolyhedrovirus from Spilarctia obliqua (Walker).

J. Invertebr. Pathol. 132 , 135-41, (2015)

Spilarctia obliqua Walker (Lepidoptera: Arctiidae) is a polyphagous insect pest damaging pulses, oil seeds, cereals, vegetables and medicinal and aromatic plants in India. The pest also infests turmer...

Thin Solid Films 252 , 13, (1994)

J. Org. Chem. 58 , 3607, (1993)

 Synonyms

Hexamethyldisilane
DISILANE M6
Me3Si-SiMe3
hexamethyl-disilan
(CH3)6Si2
Permethyldisilane
EINECS 215-911-0
Hecamethyldisilane
Disilane, 1,1,1,2,2,2-hexamethyl-
hexamethyl-silane
disilane,hexamethyl
CH7280
HMD
MFCD00008258
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