| Agent Name |
Borates, pentahydrate |
|---|
| CAS Number |
12179-04-3 |
|---|
| Formula |
B4-O7.2Na.5H2-O |
|---|
| Major Category |
Pesticides |
|---|
| Synonyms |
Borax pentahydrate; Sodium borate pentahydrate; Sodium tetraborate pentahydrate; [NIOSH] |
|---|
| Category |
Other Insecticides |
|---|
| Description |
Colorless or white, odorless crystals or free-flowing powder. [herbicide] [Note: Begins to lose water of hydration at 252 degrees F.]; [NIOSH] |
|---|
| Sources/Uses |
Used as a preservative, antiseptic and fungicide; also used to manufacture glazes, enamels, soldering fluxes and cleaning compounds and to fireproof textiles and wood; [ACGIH] |
|---|
| Comments |
Boric acid is formed by crystallizing a solution of hydrochloric acid or sulfuric acid and borax. [Hawley] Boric acid and borates as tablets or powder are used to kill larvae in barns and other insects in houses. Rarely, they are sprayed as herbicides. [EPA: Recognition of Pesticide Poisonings] Skin and respiratory irritation may result from occupational exposure. |
|---|
| Exposure Assessment |
|---|
| Skin Designation (ACGIH) |
No |
|---|
| TLV (ACGIH) |
2 mg/m3, inhalable fraction |
|---|
| STEL (ACGIH) |
6 mg/m3, inhalable fraction |
|---|
| Links to Other NLM Databases |
|---|
|
|
