氯化铬
氯化铬用途
用于无机合成,也用作媒染剂、催化剂
【用途二】
印染工业用作媒染剂。化学工业用于生产其他铬盐。颜料工业用于制造各种含铬颜料。有机合成用于制造含铬催化剂。
【用途三】
适用于作为各种含铬催化剂的原料。本产品也可用作媒染剂,含铬添加剂,三价铬电镀用铬试剂。还可作为生产其它铬盐和制造含铬颜料的原料。
氯化铬名称
[ CAS 号 ]:
10060-12-5
[ 中文名 ]:
六水氯化铬
[ 英文名 ]:
Chromium trichloride
[中文别名 ]:
[英文别名 ]:
- Trichlorochromium hexahydrate
- MFCD00149660
- Chromium chloride hexahydrate
- Chromium(III) chloride hexahydrate
- trichlorochromium,hexahydrate
- Chromic Chloride Hexahydrate
- EINECS 233-038-3
氯化铬物理化学性质
[ 密度 ]:
1.76 g/mL at 25 °C(lit.)
[ 熔点 ]:
83 °C
[ 分子式 ]:
H12Cl3CrO6
[ 分子量 ]:
266.447
[ 精确质量 ]:
264.910461
[ PSA ]:
55.38000
[ LogP ]:
1.68270
[ 外观性状 ]:
绿色结晶粉末
[ 储存条件 ]:
库房低温,通风,干燥
[ 稳定性 ]:
Stable, but may be air-sensitive. Hygroscopic. Incompatible with lithium, nitrogen, strong oxidizing agents.
氯化铬MSDS
氯化铬毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GB5450000
- CAS REGISTRY NUMBER :
- 10060-12-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 29
- MOLECULAR FORMULA :
- Cl3-Cr.6H2-O
- MOLECULAR WEIGHT :
- 266.47
- WISWESSER LINE NOTATION :
- CR G3 &QH 6
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 :
- 1790 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 285 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1602 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 576 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Amphibian - frog
- DOSE/DURATION :
- 374 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 134 mg/kg
- SEX/DURATION :
- female 8 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - cytological changes (including somatic cell genetic material) Reproductive - Specific Developmental Abnormalities - Central Nervous System
- TYPE OF TEST :
- DNA adduct
MUTATION DATA
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - hamster Fibroblast
- DOSE/DURATION :
- 32 mg/L
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 104,141,1982 *** REVIEWS *** ACGIH TLV-TWA 0.5 mg(Cr)/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 ACGIH TLV-Not classifiable as a human carcinogen 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 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Cr,22,1974 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 1 mg(Cr)/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: 3,35,1971 OSHA PEL (Gen Indu):8H TWA 0.5 mg(Cr)/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 0.5 mg(Cr)/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 0.5 mg(Cr)/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 0.5 mg(Cr)/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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.01 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 - X9134 No. of Facilities: 41 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 573 (estimated) No. of Female Employees: 203 (estimated)
氯化铬安全信息
[ 危害码 (欧洲) ]:
Xn:Harmful
[ 风险声明 (欧洲) ]:
R22;R36/37/38
[ 安全声明 (欧洲) ]:
S24/25
[ 危险品运输编码 ]:
UN3260
[ WGK德国 ]:
1
[ RTECS号 ]:
GB5450000
[ 包装等级 ]:
III
[ 危险类别 ]:
8
氯化铬制备
1.碳酸铬法将重铬酸钠溶液加入带搅拌器的衬铅或搪玻璃反应器中,在搅拌下缓慢加入硫酸进行酸化,然后加入糖蜜还原剂进行还原反应,生成硫酸铬,过滤,把硫酸铬与纯碱进行反应,生成碳酸铬,过滤,用水洗涤后,再与盐酸进行反应,生成三氯化铬。经浓缩、放出冷却固化、粉碎,制得三氯化铬成品。其反应方程式如下:
方法2.用相对密度为1.19的盐酸溶解氢氧化铬糊状物,盐酸的量以糊状物中每100g三氧化二铬用350ml盐酸计:
溶液静置后,抽滤,滤液在水浴上蒸发至原体积的1/3,然后倒入用冰冷却的容器中,通入干燥的氯化氢气体,至溶液饱和且十分粘稠,并析出结晶。静置混合物,冰冷却使结晶完全,结晶经抽滤后在30~40℃下干燥,即得成品。
相关化工产品/化学物质:
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相关化合物
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