氟硼酸钠
氟硼酸钠用途
氟硼酸钠名称
[ CAS 号 ]:
13755-29-8
[ 中文名 ]:
氟硼酸钠
[ 英文名 ]:
Sodiumtetrafluoroborate
[中文别名 ]:
[英文别名 ]:
- EINECS 237-340-6
- MFCD00003515
- Borate(1-), tetrafluoro-, sodium (1:1)
- Sodium fluoroborate
- Sodiumtetrafluoroborate
- sodium,tetrafluoroborate
- Sodium tetrafluoroborate
氟硼酸钠物理化学性质
[ 密度 ]:
2.47 g/mL at 25 °C(lit.)
[ 熔点 ]:
384 °C
[ 分子式 ]:
BF4Na
[ 分子量 ]:
109.794
[ 精确质量 ]:
109.992691
[ LogP ]:
1.30000
[ 外观性状 ]:
白色晶体或粉末
[ 储存条件 ]:
室温,干燥,密封
[ 稳定性 ]:
Moisture sensitive; do not store in glass (though the completely dry material does not etch glass). Incompatible with strong oxidizing agents.
[ 水溶解性 ]:
108 g/100 mL (26 ºC)
氟硼酸钠MSDS
氟硼酸钠毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ED2975000
- CHEMICAL NAME :
- Borate(1-), tetrafluoro-, sodium
- CAS REGISTRY NUMBER :
- 13755-29-8
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 9
- MOLECULAR FORMULA :
- B-F4.Na
- MOLECULAR WEIGHT :
- 109.80
- WISWESSER LINE NOTATION :
- NA B-F4
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 550 mg/kg
- REFERENCE :
- ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie. (Berlin, Fed. Rep. Ger.) V.76-92, 1971-78. For publisher information, see JCROD7. Volume(issue)/page/year: 80,17,1973 *** U.S. STANDARDS AND REGULATIONS *** 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 *** 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 - A1165 No. of Facilities: 374 (estimated) No. of Industries: 8 No. of Occupations: 13 No. of Employees: 6927 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1165 No. of Facilities: 608 (estimated) No. of Industries: 16 No. of Occupations: 31 No. of Employees: 15567 (estimated) No. of Female Employees: 1351 (estimated)
氟硼酸钠安全信息
[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ 危害码 (欧洲) ]:
C:Corrosive
[ 风险声明 (欧洲) ]:
R34
[ 安全声明 (欧洲) ]:
S45-S36/37/39-S25
[ 危险品运输编码 ]:
3260
[ WGK德国 ]:
1
[ RTECS号 ]:
ED2975000
[ 包装等级 ]:
I; II; III
[ 危险类别 ]:
8.0
氟硼酸钠合成路线
氟硼酸钠上下游产品
氟硼酸钠上游产品
氟硼酸钠下游产品
氟硼酸钠制备
1.氟硼酸碳酸钠法先在反应釜中由硼酸和氢氟酸反应制得氟硼酸,然后送入中和罐,在搅拌和冷却下,缓缓加入碳酸钠,控制反应温度不超过35 ℃。注意掌握加料速度,防止料液因气体逸出量过大而泛溢罐外。中和到料液达pH 3~4后,再反应0.5 h。然后经蒸浓、冷却结晶、离心分离、洗涤、干燥后,制得氟硼酸钠产品。其反应方程式如下:
2.制取氟硼酸钠有多种方法。三氟化硼和氟化钠直接化合;氟硼酸和氟化钠作用;氟化钠与硼酸和氢氟酸反应;硼酸、盐酸和氟化钠反应;氟硼酸和氢氧化钠或碳酸钠反应等。用硼酸和氢氟酸先制取氟硼酸,再加碳酸钠中和而得。在氟化釜中,让氢氟酸和硼酸在40℃下反应2h制得的氟硼酸进入中和罐,在搅拌和冷却下缓慢加入纯碱,控制反应温度不超过35℃。在反应过程中,放出大量的二氧化碳气体,注意掌握加料速度,中和到规定的酸度后,再反应0.5h,中和液经蒸发浓缩,在25~30℃下进行结晶分离,洗涤、干燥便得产品。氟硼酸钠文献
Bioorg. Med. Chem. Lett. 21 , 3591-5, (2011)
Two new β-carbonic anhydrases (CAs, EC 4.2.1.1) from the bacterial pathogen Salmonella enterica serovar Typhimurium, stCA 1 and stCA 2, were characterized kinetically. The two enzymes possess apprecia...
Anion inhibition studies of an α-carbonic anhydrase from the living fossil Astrosclera willeyana.Bioorg. Med. Chem. Lett. 22 , 1314-6, (2012)
An α-carbonic anhydrase (CA, EC 4.2.1.1) isolated from the living fossil sponge Astrosclera willeyana, Astrosclerin, was investigated for its inhibition profile with simple inorganic anions, complex a...
Eagleson M.Concise Encyclopedia Chemistry , (1994), 1001
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