Germanium
Suppliers
Names
[ CAS No. ]:
7440-56-4
[ Name ]:
Germanium
[Synonym ]:
Germanium pieces
Cermanium powder
GERMANIUM:
GERMANIUM METAL
MFCD00085310
Germanium
EINECS 231-164-3
germanium atom
germaniumelement
Chemical & Physical Properties
[ Density]:
5.35 g/mL at 25 °C(lit.)
[ Boiling Point ]:
2830 °C(lit.)
[ Melting Point ]:
937 °C(lit.)
[ Molecular Formula ]:
Ge
[ Molecular Weight ]:
72.640
[ Exact Mass ]:
73.921181
[ LogP ]:
0.06920
[ Storage condition ]:
Flammables area
[ Stability ]:
Stable. Slightly soluble in strong acids. Incompatible with strong oxidizing agents.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- LY5200000
- CHEMICAL NAME :
- Germanium, metal powder
- CAS REGISTRY NUMBER :
- 7440-56-4
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 9
- MOLECULAR FORMULA :
- Ge
- MOLECULAR WEIGHT :
- 72.59
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 58 mg/kg/26W-I
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
- REFERENCE :
- JJMDAT Japanese Journal of Medicine. (Nankodo Co., Ltd., POB 5272, Tokyo International 100-31, Japan) V.1-30, 1962-1991. For publisher information, see IEDIEP. Volume(issue)/page/year: 30,67,1991
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - child
- DOSE/DURATION :
- 2 gm/kg/78W-I
- TOXIC EFFECTS :
- Gastrointestinal - nausea or vomiting Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Kidney, Ureter, Bladder - changes in both tubules and glomeruli
- REFERENCE :
- JJMDAT Japanese Journal of Medicine. (Nankodo Co., Ltd., POB 5272, Tokyo International 100-31, Japan) V.1-30, 1962-1991. For publisher information, see IEDIEP. Volume(issue)/page/year: 30,67,1991
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 786 mg/kg/2Y-I
- TOXIC EFFECTS :
- Gastrointestinal - nausea or vomiting Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - oxidant related (GPD deficient) anemia
- REFERENCE :
- JJMDAT Japanese Journal of Medicine. (Nankodo Co., Ltd., POB 5272, Tokyo International 100-31, Japan) V.1-30, 1962-1991. For publisher information, see IEDIEP. Volume(issue)/page/year: 30,67,1991
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3860 mg/m3/4H
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 28,571,1990 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 250 mg/m3/6H/4W-I
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - changes in lung weight Kidney, Ureter, Bladder - urine volume increased Blood - other changes
- REFERENCE :
- FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 28,571,1990 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 2 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 34770 No. of Facilities: 56 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 307 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 34770 No. of Facilities: 16 (estimated) No. of Industries: 2 No. of Occupations: 7 No. of Employees: 1914 (estimated) No. of Female Employees: 279 (estimated)
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H319-H335
[ Precautionary Statements ]:
P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
F:Flammable;Xi:Irritant
[ Risk Phrases ]:
R11;R36/38
[ Safety Phrases ]:
S26-S36/39-S2
[ RIDADR ]:
UN 3089 4.1/PG 2
[ WGK Germany ]:
3
[ RTECS ]:
LY5200000
[ Packaging Group ]:
III
[ Hazard Class ]:
8
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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