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7440-56-4

7440-56-4 structure
7440-56-4 structure

Name germane
Synonyms Germanium pieces
Cermanium powder
GERMANIUM:
GERMANIUM METAL
MFCD00085310
Germanium
EINECS 231-164-3
germanium atom
germaniumelement
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.

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)
Symbol GHS07
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