Sodium tetraborate pentahydrate cas no:12179-04-3

NameSodium tetraborate pentahydrate
CAS12179-04-3
SynonymsBoric acid(H2B4O7), disodium salt, pentahydrate;Etibor 48;Neobor;Sodium borate(Na2B4O5(OH)4) trihydrate;Boron sodium oxide(B4Na2O7), pentahydrate;
Molecular FormulaNa2B4O7.5(H2O)
Molecular Weight291.29

Appearancewhite odorless crystals or free-flowing powder

Hazard A severe eye irritant. TWA 1 mg/m3 (pentahydrate).

CHEMICAL IDENTIFICATION

RTECS NUMBER :

VZ2540000

CHEMICAL NAME :

Sodium borate, pentahydrate

CAS REGISTRY NUMBER :

12179-04-3

LAST UPDATED :

199712

DATA ITEMS CITED :

12

MOLECULAR FORMULA :

B4-O7.2Na.5H2-O

MOLECULAR WEIGHT :

360.29

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0536624 *** REVIEWS *** ACGIH TLV-TWA 1 mg/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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1 mg/m3 JAN 1993 OEL-BELGIUM:TWA 1 mg/m3 JAN 1993 OEL-DENMARK:TWA 1 mg/m3 JAN 1993 OEL-FRANCE:TWA 1 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 1 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 1 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 1 mg/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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9788 No. of Facilities: 499 (estimated) No. of Industries: 8 No. of Occupations: 4 No. of Employees: 8315 (estimated) No. of Female Employees: 5763 (estimated)