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1309-42-8

1309-42-8 structure
1309-42-8 structure

Name magnesium dihydroxide
Synonyms EINECS 215-170-3
MFCD00011104
magnesium,dihydroxide
Magnesium Hydroxide
Density 2.36g/cm3
Boiling Point 100ºC at 760mmHg
Melting Point 350ºC ( Decomposes)
Molecular Formula H2MgO2
Molecular Weight 58.320
Flash Point will not burn
Exact Mass 57.990520
PSA 40.46000
Stability Stable.
Water Solubility 5 M HCl: 0.1 M, clear, yellow | 0.9 mg/100 mL (18 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OM3570000
CHEMICAL NAME :
Magnesium hydroxide
CAS REGISTRY NUMBER :
1309-42-8
LAST UPDATED :
199701
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
H2-Mg-O2
MOLECULAR WEIGHT :
58.33
WISWESSER LINE NOTATION :
.MG..Q2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - infant
DOSE/DURATION :
2747 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - coma Nutritional and Gross Metabolic - changes in chlorine
REFERENCE :
JTCTDW Journal of Toxicology, Clinical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.19- 1982- Volume(issue)/page/year: 29,215,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,1131,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2780 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,1131,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
8500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,1131,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
815 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,1131,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80447 No. of Facilities: 1664 (estimated) No. of Industries: 24 No. of Occupations: 23 No. of Employees: 41608 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80447 No. of Facilities: 3970 (estimated) No. of Industries: 36 No. of Occupations: 55 No. of Employees: 114743 (estimated) No. of Female Employees: 43640 (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 Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases 26-36-37/39
RIDADR NONH for all modes of transport
WGK Germany -
RTECS OM3570000
Precursor  2

DownStream  0