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7446-34-6

7446-34-6结构式
7446-34-6结构式

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中文名 硫化硒
英文名 Selenium sulfide
英文别名 Selenylsulfid
hydridoselenium(.)
HSe(.)
selenium monohydride
Selenium powder
hydrogenselenide
selanyl
selenium sulphide
密度 3.056
沸点 118-119ºC (dec.)
熔点 111ºC
分子式 HSSe
分子量 112.03300
精确质量 112.89600
PSA 32.09000
LogP 0.37990
储存条件 室温
水溶解性 <0.1 G/100 ML AT 21 ºC
计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:1

4.可旋转化学键数量:0

5.互变异构体数量:无

6.拓扑分子极性表面积32.1

7.重原子数量:2

8.表面电荷:0

9.复杂度:2

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

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1.性状:白色针状结晶,当与空气中的灰尘接触时,因被还原出单质硒而变为红色。

2.熔点(℃):340。

3.升华点(℃):317。

4.溶解性:其液体为黄色,蒸气为绿色。对光和热是稳定的。易溶于水、硫酸、乙醇及大多数有机溶剂。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VT0525000
CHEMICAL NAME :
Selenium sulfide
CAS REGISTRY NUMBER :
7446-34-6
LAST UPDATED :
199712
DATA ITEMS CITED :
41
MOLECULAR FORMULA :
S-Se
MOLECULAR WEIGHT :
111.02
WISWESSER LINE NOTATION :
SE S

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 :
38 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 :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3700 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - coma Lungs, Thorax, or Respiration - dyspnea
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
55 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CLDND* Compilation of LD50 Values of New Drugs. (J.R. MacDougal, Dept. of National Health and Welfare, Food and Drug Divisions, 35 John St., Ottawa, Ont., Canada) ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
6562 mg/kg/7.5W-I
TOXIC EFFECTS :
Liver - other changes Kidney, Ureter, Bladder - other changes Blood - other changes
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
11 gm/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Blood - leukemia
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
72 gm/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Lungs, Thorax, or Respiration - tumors
TYPE OF TEST :
Micronucleus test
TYPE OF TEST :
Cytogenetic analysis

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
DOSE/DURATION :
1 mg/L
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year: 236,933,1987 *** REVIEWS *** ACGIH TLV-TWA 0.2 mg(Se)/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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.2 mg(Se)/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: 3,224,1971 OSHA PEL (Gen Indu):8H TWA 0.2 mg(Se)/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 0.2 mg(Se)/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 0.2 mg(Se)/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 0.2 mg(Se)/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-ARAB Republic of Egypt:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-BELGIUM:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Se)/m3;STEL 0.3 mg(Se)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Se)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-POLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-TURKEY:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Se)/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 : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84568 No. of Facilities: 279 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 6046 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84568 No. of Facilities: 148 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 2965 (estimated) No. of Female Employees: 2491 (estimated)

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7446-34-6结构式

7446-34-6

文献:Se: MVol.B, 79, page 169 - 171

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7446-34-6结构式

7446-34-6

文献:C.A., Uralisk 7th Konf. Spektrosk. Tezisy. Dokl., Sverdlovsk 1971, Bd. 3, S. 178/80 , vol. 81, p. 129373

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7446-34-6结构式

7446-34-6

文献:Chemical Physics Letters, , vol. 73, p. 297 - 303

制法1 在纯氧中加热纯净的硒,并使生成的蒸气通过一加热的铂石棉层,或者让硒在含有痕量二氧化氮的氧中加热。在温度接近于500℃时,硒开始燃烧生成SeO2,并产生淡蓝色的火焰。燃烧反应通过调节氧气的流量来进行控制。产物为雪白色的针状结晶。若要制取少量极纯净的二氧化硒,建议使用高纯硒(杂质含量应低于10-5%)同高纯氧在密封的装置中进行反应。

制法2 在容积为1L的耐高温玻璃圆底烧瓶中,加入100g纯净的亚硒酸。将烧瓶放在砂浴上加热并抽真空(保持压力不低于13.3kPa),在200~250℃的温度下加热数小时,此时二氧化硒便渐渐升华到烧瓶的上部。