tetramethylgermanium

Names

[ CAS No. ]:
865-52-1

[ Name ]:
tetramethylgermanium

[Synonym ]:
tetramethylgermane
MFCD00014843
EINECS 212-745-0

Chemical & Physical Properties

[ Density]:
0.978 g/mL at 25 °C(lit.)

[ Boiling Point ]:
43-44 °C740 mm Hg(lit.)

[ Melting Point ]:
−88 °C (dec.)(lit.)

[ Molecular Formula ]:
C₄H₁₂Ge

[ Molecular Weight ]:
132.77800

[ Flash Point ]:
−35 °F

[ Exact Mass ]:
134.01500

[ LogP ]:
1.95440

[ Vapour Pressure ]:
6.74 psi ( 20 °C)

[ Index of Refraction ]:
n20/D 1.389(lit.)

[ Storage condition ]:
Flammables area

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LY5345000

CHEMICAL NAME :: Germanium, tetramethyl-

CAS REGISTRY NUMBER :: 865-52-1

BEILSTEIN REFERENCE NO. :: 3660066

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H12-Ge

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2500 mg/m3/10M

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

REFERENCE :: NDRC** National Defense Research Committee, Office of Scientific Research and Development, Progress Report. Volume(issue)/page/year: NDCrc-132,Mar,1942

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H225-H302-H312-H319-H332

[ Precautionary Statements ]:
P210-P280-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
F:Highlyflammable;Xn:Harmful;

[ Risk Phrases ]:
R11;R20/21/22

[ Safety Phrases ]:
S16-S26-S36

[ RIDADR ]:
UN 1993 3/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
LY5345000

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
2931900090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

TMS
Germanium chloride
trimethylaluminum
DIPOTASSIUM TRIS(1,2-BENZENEDIOLATO-O,O')GERMANATE
Germane, bromide (1:4)
METHYLMAGNESIUM IODIDE
Dimethylzinc
Methylmagnesium chloride
trimethyl(trimethylstannylmethyl)germane

DownStream

Germanium
Chloro(trimethyl)germane
Methylgermanium trichloride
dichloro(dimethyl)germane
DIMETHYLCYCLOHEXANE
Trimethylgermanium bromide
methane
m-MeC6H4GeMe3
trimethyl(phenyl)germane
trimethyl(4-methylphenyl)germane

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%

Articles

Thin Solid Films 189 , 293, (1990)

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