CAS NO.: 22691-02-7
Purity :34%
CAS NO.: 1758-73-2
Purity :98%
CAS NO.: 7789-75-5
Purity :95%
Ammonium molybdate tetrahydrate
CAS NO.: 12054-85-2
Purity :99%
CAS NO.: 7631-95-0
Purity :99%
| Compound | calcium difluoride | ||||
|---|---|---|---|---|---|
| CAS No. | 7789-75-5 | Catalog No. | 10 | Brand | |
| Purity | 95% | Packing | 1ton | Grade | |
| Lead Time | 3Day (s) | Origin | Loading Port | ||
| Boiling Point | 2500ºC |
|---|---|
| Stability | Stable. Incompatible with acids. |
| Storage Condition | Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. |
| Appearance & Physical State | white powder or colourless crystals |
| Water Solubility | INSOLUBLE |
| Flash Point | 2500ºC |
| Refractive Index | 1.434 |
| Density | 3.18 |
| Melting Point | 1402ºC |
RTECS NUMBER :
EW1760000
CHEMICAL NAME :
Calcium fluoride
CAS REGISTRY NUMBER :
7789-75-5
LAST UPDATED :
199712
DATA ITEMS CITED :
38
MOLECULAR FORMULA :
Ca-F2
MOLECULAR WEIGHT :
78.08
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4250 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2638 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
>10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
44 gm/kg/31D-I
TOXIC EFFECTS :
Cardiac - EKG changes not diagnostic of specified effects Musculoskeletal - changes in teeth and supporting structures Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
3200 mg/kg
SEX/DURATION :
female 9 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
67200 mg/kg
SEX/DURATION :
female 1-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
Cytogenetic analysis
TEST SYSTEM :
Rodent - rat Ascites tumor
REFERENCE :
GANNA2 Gann. Japanese Journal of Cancer Research. (Tokyo, Japan) V.1-75, 1907-84. For publisher information, see JJCREP. Volume(issue)/page/year: 54,155,1963 *** REVIEWS *** ACGIH TLV-TWA 2.5 mg(F)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 2.5 mg(F)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,116,1971 OSHA PEL (Gen Indu):8H TWA 2.5 mg(F)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 2.5 mg(F)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 2.5 mg(F)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 2.5 mg(F)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2.5 mg(F)/m3 JAN 1993 OEL-BELGIUM:TWA 2.5 mg(F)/m3 JAN 1993 OEL-DENMARK:TWA 2.5 mg(F)/m3 JAN 1993 OEL-FINLAND:TWA 2.5 mg(F)/m3 JAN 1993 OEL-FRANCE:TWA 2.5 mg(F)/m3 JAN 1993 OEL-GERMANY:TWA 2.5 mg(F)/m3 JAN 1993 OEL-HUNGARY:TWA 1 mg(F)/m3;STEL 2 mg(F)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 2.5 mg(F)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 2.5 mg(F)/m3 JAN 1993 OEL-POLAND:TWA 1 mg(F)/m3 JAN 1993 OEL-RUSSIA:STEL 0.5 ppm (2.5 mg/m3) JAN 1993 OEL-SWEDEN:TWA 2 mg(F)/m3 JAN 1993 OEL-SWITZERLAND:TWA 1.8 ppm (1.5 mg(F)/m3);STEL 9.0 ppm JAN 1993 OEL-THAILAND:TWA 2.5 mg(F)/m3 JAN 1993 OEL-TURKEY:TWA 2.5 mg(F)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 2.5 mg(F)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO FLUORIDES, INORGANIC-air:10H TWA 2.5 mg(F)/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M0579 No. of Facilities: 840 (estimated) No. of Industries: 17 No. of Occupations: 22 No. of Employees: 17561 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0579 No. of Facilities: 25299 (estimated) No. of Industries: 187 No. of Occupations: 76 No. of Employees: 344071 (estimated) No. of Female Employees: 3195 (estimated)
