偏硼酸钠
偏硼酸钠用途
用作分析试剂、防腐剂。
偏硼酸钠名称
[ CAS 号 ]:
7775-19-1
[ 中文名 ]:
偏硼酸钠
[ 英文名 ]:
sodium metaborate, anhydrous
[英文别名 ]:
- sodium boranoate
- Sodium borate(1-)
- Kodalk
- Sodium metaborate
- NaBO2
- Borosoap
- SODIUMBORATES
- Sodium dioxoborate
- SODIUM MONOBORATE
- Rasorite
偏硼酸钠物理化学性质
[ 密度 ]:
2.464
[ 沸点 ]:
1434ºC
[ 熔点 ]:
966ºC
[ 分子式 ]:
BNaO2
[ 分子量 ]:
65.80000
[ 精确质量 ]:
65.99000
[ PSA ]:
40.13000
[ 外观性状 ]:
白色片状或粉末无气味的
[ 水溶解性 ]:
g/100g solution H2O: 14.10 (0°C), 22.00 (25°C), 55.60 (100°C); solid phase, NaBO2 ·4H2O (0°C, 25°C), NaBO2 · 2H2O (100°C) [KRU93]
偏硼酸钠MSDS
偏硼酸钠毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ED4640000
- CHEMICAL NAME :
- Boric acid, monosodium salt
- CAS REGISTRY NUMBER :
- 7775-19-1
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 6
- MOLECULAR FORMULA :
- B-H-O2.Na
- MOLECULAR WEIGHT :
- 66.81
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2330 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,88,1991 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80073 No. of Facilities: 3745 (estimated) No. of Industries: 33 No. of Occupations: 27 No. of Employees: 10520 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80073 No. of Facilities: 8275 (estimated) No. of Industries: 63 No. of Occupations: 56 No. of Employees: 68763 (estimated) No. of Female Employees: 13782 (estimated)
偏硼酸钠安全信息
[ 危险品运输编码 ]:
UN3077(solid)
[ 海关编码 ]:
2840200000
偏硼酸钠合成路线
偏硼酸钠上下游产品
偏硼酸钠上游产品
偏硼酸钠下游产品
偏硼酸钠制备
制法 如果将四水合物置于真空干燥器中,即可得到半水合物。进一步将半水合物在盛有五氧化二磷的真空干燥器中加热至200℃,即可得到无水物。将碳酸钠与硼酸的等摩尔混合物在铂皿中缓缓加热,至最后熔融,然后,将熔融物冷却,即可得到结晶块产物。
偏硼酸钠海关
[ 海关编码 ]: 2840200000
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