四氯化硅

【用途一】
用于合成有机硅化合物、无机硅化合物及制取纯硅等 用于制备有机硅化合物及战争用烟幕
【用途二】
用于制造有机硅化合物，如硅酸酯、有机硅油、高温绝缘漆、有机硅树脂、硅橡胶和耐热垫衬材料。高纯度四氯化硅为制造多晶硅、高纯二氧化硅和无机硅化合物、石英纤维的材料。军事工业用于制造烟幕剂。冶金工业用于制造耐腐蚀硅铁。铸造工业用作脱模剂。
【用途三】
用于制取有机硅、硅酸酸酯、有机硅油、高温绝缘、硅树脂、硅橡胶等。还用来吸收水分，制造战争用烟幕剂等。
【用途四】
合成有机硅化合物、硅单体、硅油、硅橡胶和硅树脂。硅酸酯类的制备。

[ 密度 ]:
1.5±0.1 g/cm3

[ 沸点 ]:
57.6±9.0 °C at 760 mmHg

[ 熔点 ]:
−70 °C(lit.)

[ 分子式 ]:
Cl₄Si

[ 分子量 ]:
169.898

[ 闪点 ]:
57.6°C

[ 精确质量 ]:
167.852341

[ LogP ]:
5.20

[ 外观性状 ]:
无色或淡黄色冒烟的液体

[ 蒸汽密度 ]:
5.86 (vs air)

[ 蒸汽压 ]:
229.7±0.1 mmHg at 25°C

[ 折射率 ]:
1.462

[ 储存条件 ]:
库房通风低温干燥,与碱类、食品添加剂分开存放

[ 稳定性 ]:
Stability Moisture sensitive - reacts violently with water. Incompatible with water, acids, bases, alcohols, alkali metals, organics, powdered metals.

[ 水溶解性 ]:
reacts

详细MSDS(安全技术说明书)

CHEMICAL IDENTIFICATION

RTECS NUMBER :

VW0525000

CHEMICAL NAME :

Silicon chloride

CAS REGISTRY NUMBER :

10026-04-7

LAST UPDATED :

199710

DATA ITEMS CITED :

9

MOLECULAR FORMULA :

Cl4-Si

MOLECULAR WEIGHT :

169.89

WISWESSER LINE NOTATION :

SI G4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,14,1972

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,14,1972 ** ACUTE TOXICITY DATA **

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

8000 ppm/4H

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,343,1949

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

15 gm/m3

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

USKHAB Uspekhi Khimii. Progress in Chemistry. For English translation, see RCRVAB. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1932- Volume(issue)/page/year: 38,2173,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84446 No. of Facilities: 33 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 446 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84446 No. of Facilities: 29 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 2478 (estimated) No. of Female Employees: 341 (estimated)

[ 符号 ]:

GHS05, GHS06

[ 信号词 ]:
Danger

[ 危害声明 ]:
H301 + H331-H314-H335

[ 补充危害声明 ]:
Reacts violently with water.

[ 警示性声明 ]:
P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P403 + P233

[ 靶器官 ]:
Blood, Central nervous system, Liver

[ 个人防护装备 ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US)

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R14;R36/37/38

[ 安全声明 (欧洲) ]:
S26-S7/8-S45-S36/37/39-S28-S27

[ 危险品运输编码 ]:
UN 3264 8/PG 2

[ WGK德国 ]:
1

[ RTECS号 ]:
VW0525000

[ 包装等级 ]:
II

[ 危险类别 ]:
8

[ 海关编码 ]:
2827399000

详细合成路线

四氯化硅上游产品

四氯化硅下游产品

1.硅铁氯化法。先将硅铁加入氯化炉内，然后加热至300℃左右，以7.5 m3/h通人氯气进行反应生成四氯化硅，经冷凝后，得到粗品四氯化硅。将锑粉(为四氯化硅重量的0.05%)加入粗四氯化硅中进行精馏，经回流30 min然后取56～59℃的馏分，制得工业级四氯化硅成品。其反应式如下：Si+2C12→SiCl4 将工业级四氯化硅进一步精馏并长时间回流，可制得高纯四氯化硅。将硅铁加热至200℃以上，通氯气生成四氯化硅，经精馏而得成品。

2.使氯作用于硅、硅合金、硅化物或二氧化硅与还原剂(碳、镁)的混合物，是合成四氯化硅的常用方法。将硅粉与二氯化钴(Si∶Co=10∶1)加热到460℃，使二氯化钴还原，再用氯在低温(136℃)下作用即可。

3.采用硅铁氯化法。先将硅铁加入氯化炉内，然后加热至300℃左右，以7.5m3/h通入氯气进行反应生成四氯化硅，经冷凝后，得到粗品四氯化硅。将锑粉（为四氯化硅质量的0.05%）加入粗四氯化硅中进行精馏，经回流30min，然后取56～59℃的馏分，制得工业级四氯化硅成品。其反应式如下：Si+2C12→SiCl4 将工业级四氯化硅进一步精馏并长时间回流，可制得高纯四氯化硅。

[ 海关编码 ]: 2827399000

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