硫酸铬

硫酸铬用途


【用途一】
用于鞣制面革。在照相定影液中用作照相胶卷的坚膜剂。染料工业用作生产活性红棕K-B3R、中性紫BL、中性橙RL和中性桃红BL等产品时用作铬络合剂。印染工业用作媒染剂。还用作玻璃、陶瓷、搪瓷等的釉药。也作防水剂。用于石油钻井等。
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硫酸铬名称

[ CAS 号 ]:
10141-00-1

[ 中文名 ]:
硫酸铬钾

[ 英文名 ]:
chromium potassium sulfate

[中文别名 ]:

[英文别名 ]:

硫酸铬物理化学性质

[ 密度 ]:
1.12 g/mL at 20ºC

[ 沸点 ]:
330ºC at 760 mmHg

[ 熔点 ]:
89ºC

[ 分子式 ]:
CrKO8S2

[ 分子量 ]:
283.220

[ 精确质量 ]:
282.807678

[ PSA ]:
177.28000

硫酸铬毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GB6845000
CAS REGISTRY NUMBER :
10141-00-1
LAST UPDATED :
199712
DATA ITEMS CITED :
16
MOLECULAR FORMULA :
Cr.2H2-O4-S.K
MOLECULAR WEIGHT :
255.20
WISWESSER LINE NOTATION :
.CR..K.S-O4*2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
DOSE/DURATION :
1 mg/L
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 3,1331,1982 *** 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 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 *** 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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82232 No. of Facilities: 59 (estimated) No. of Industries: 4 No. of Occupations: 3 No. of Employees: 164 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82232 No. of Facilities: 122 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 1696 (estimated) No. of Female Employees: 63 (estimated)
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硫酸铬安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H315-H319

[ 警示性声明 ]:
P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
26

[ 危险品运输编码 ]:
NONH for all modes of transport

[ RTECS号 ]:
GB6845000

[ 海关编码 ]:
2833292000

硫酸铬制备


【方法一】
硫酸铬钾的工业生产方法可采用有机物还原法和二氧化硫还原法。
有机物还原法 将99%重铬酸钾和98%硫酸按理论量溶解于铬明矾母液后,在搅拌下缓慢加入木屑进行还原。反应温度控制不超过80℃,反应结束后,静置缓慢结晶,经离心分离母液后,把结晶用少量冷水洗涤,再经低温干燥,制得硫酸铬钾成品。其2K2Cr2O7+8H2SO4+40H2O+3C→本品+3CO2↑
母液和洗液返回反应器,用以溶解重铬酸钾。


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硫酸铬海关

[ 海关编码 ]: 2833292000

硫酸铬文献

Characterization of the community structure of a dechlorinating mixed culture and comparisons of gene expression in planktonic and biofloc-associated "Dehalococcoides" and Methanospirillum species.

Appl. Environ. Microbiol. 74 , 6709-19, (2008)

This study sought to characterize bacterial and archaeal populations in a perchloroethene- and butyrate-fed enrichment culture containing hydrogen-consuming "Dehalococcoides ethenogenes" strain 195 an...

Morphological study on pigmented cells in the horse testis.

J. Vet. Med. Sci. 61(10) , 1183-6, (1999)

One of the most attractive characteristics of a horse testis is the change of the weight during development. As the testicular weight changes and the number of Leydig cells decreases, pigments appear ...

[Determination of the relative RNA-content of liver cell nuclei with gallocyanin-chromealum-staining (author's transl)].

Acta Histochem. 69(2) , 307-13, (1981)

The relative RNA-content of liver cell nuclei from histological slides of rat liver was determined by automatical microscope picture analysis. The slides were stained with Gallocyanin-Chromealum. Exti...


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标题:硫酸铬_用途_密度_熔点_硫酸铬CAS号【10141-00-1】_化源网 地址:https://m.chemsrc.com/mip/cas/10141-00-1_79228.html