| Agent Name |
Borates, anhydrous |
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| CAS Number |
1330-43-4 |
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| Formula |
B4-O7.2Na |
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| Major Category |
Pesticides |
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| Synonyms |
Anhydrous borax; Borax dehydrated; Disodium salt of boric acid; Disodium tetrabromate; Fused borax; Sodium borate (anhydrous); Sodium tetraborate; [NIOSH] |
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| Category |
Other Insecticides |
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| Description |
White to gray, odorless powder. [herbicide] [Note: Becomes opaque on exposure to air.]; [NIOSH] |
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| Sources/Uses |
Used as tablets or powder to kill larvae in livestock confinements and crawling insects in residences; [EPA Pesticides] Used as a fluxing agent, a buffering agent, a biocide (preservative, antiseptic, insecticide, fungicide, herbicide, algicide, nematocide), a fireproofing agent, a corrosion inhibitor, a tanning agent, and a textile bleaching agent; Used to manufacture glazes, enamels, borosilicate glass, fertilizers, detergents, antifreeze, pharmaceuticals, and cosmetics; [HSDB] |
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| Comments |
Borate dust is moderately irritating to the skin, but it is not absorbed well by intact skin. Inhalation of borate dust can cause nasal irritation, cough, and chest tightness. [EPA Pesticides] In high-dose reproductive studies of animals, boric acid causes testicular damage and fetal loss. [Frazier, p. 252-3] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| TLV (ACGIH) |
2 mg/m3, inhalable fraction |
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| STEL (ACGIH) |
6 mg/m3, inhalable fraction |
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| Adverse Effects |
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| Reproductive Toxin |
Yes |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: SODIUM TETRABORATE
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