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7789-66-4生产厂家

7789-66-4价格

7789-66-4

7789-66-4结构式
7789-66-4结构式

化源商城直购

中文名 溴化硅(IV)
英文名 Silicon(IV) bromide
中文别名 四溴化硅
溴化硅
英文别名 EINECS 232-182-4
MFCD00049530
tetrabromosilane
密度 2.8 g/mL at 25 °C(lit.)
沸点 153 °C(lit.)
熔点 5 °C(lit.)
分子式 Br4Si
分子量 347.70200
闪点 154°C
精确质量 343.65000
LogP 3.00160
蒸汽密度 2.8 (vs air)
折射率 1.5627
储存条件

干性的保护气体下处置,

保持贮藏器密封

放入紧密的贮藏器内,储存在阴凉,干燥的地方

稳定性

如果遵照规格使用和储存则不会分解

避免接触水分/潮湿。可与金属钾剧烈反应。
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:0

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0

7.重原子数量:5

8.表面电荷:0

9.复杂度:19.1

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

更多

1. 性状:无色透明的液体,易水解,在空气中发烟。

2. 密度(g/mL 25ºC):2.814

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):5.2

5. 沸点(ºC,常压):152.8

6. 沸点(ºC,5.2kPa):未确定

7. 折射率(n20/D):未确定

8. 闪点(ºC,):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(kPa,25ºC):未确定

12. 饱和蒸气压(kPa,60ºC):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(ºC):未确定

15. 临界压力(KPa):未确定

16. 油水(辛醇/水)分配系数的对数值(25℃):未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性(mg/mL):未确定


Section 1: Product Identification
Chemical Name:Silicon (IV) bromide, 99+%
CAS Registry Number:7789-66-4
Formula:SiBr4
EINECS Number:232-182-4
Chemical Family:metal halide
Synonym:Silicon tetrabromide

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound7789-66-4100%no datano data

Section 3: Hazards Identification
Extremely destructive to tissue of the respiratory tract, eyes and skin. Material hydrolyzes in contact with
Emergency Overview:
moisture releasing corrosive hydrogen bromide fumes.
Primary Routes of Exposure:Ingestion, inhalation, skin, eyes
Eye Contact:Liquid and vapors will cause burns to the eyes and blindness.
Skin Contact:Corrosive to skin. Contact can lead to redness, pain, blistering, ulceration, and scar formation.
Inhalation of choking fumes will result in burns to the respiratory tract, chemical pneumonitis and pulmonary
Inhalation:
edema.
Ingestion:Ingestion is unlikely due to pungent choking odor. Causes burns to the gastrointestinal system.
May be harmful if swallowed, inhaled or absorbed through the skin. Material is extremely destructive to tissue
Acute Health Affects:
of the mucous membranes and upper respiratory tract, eyes and skin.
Chronic Health Affects:No information available on long-term chronic effects.
NTP:No
IARC:No
OSHA:No

SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point:not applicable
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:none required
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit corrosive hydrogen bromide fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Small spills can be mixed with powdered sodium bicarbonate, lime, or calcium carbonate and swept up.
Spill and Leak Procedures:Spillage in areas not adequately ventilated may require an evacuation of area. Emergency response teams
will require self-contained breathing apparatus.

SECTION 7: Handling and Storage
Store material in a tightly sealed bottle away from moisture. If possible, handle material in an efficient fume
Handling and Storage:
hood. Exposure to the atmosphere may lead to degradation of the product.

SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determinew proper type of glove.
Ventilation:If possible, handle the material in an efficient fume hood.
In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
Respirator:
Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:Protective work clothing.

SECTION 9: Physical and Chemical Properties
Color and Form:colorless liq.
Molecular Weight:347.72
Melting Point:5.4°
Boiling Point:154°C
Vapor Pressure:no data
Specific Gravity:2.772
Odor:Pungent odor.
Solubility in Water:reacts with water

SECTION 10: Stability and Reactivity
Stability:moisture sensitive
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:contact with moisture
Incompatibility:Water, alcohols, strong bases, and active metals.
Decomposition Products:with moisture: hydrogen bromide and hydrobromic acid.

SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:no data
Mutagenic Effects:no data
Tetratogenic Effects:no data

SECTION 12: Ecological Information
Ecological Information:No information available

SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):Corrosive liquids, N.O.S.
Hazard Class (CFR):8
Additional Hazard Class (CFR):NA
Packaging Group (CFR):II
UN ID Number (CFR):UN# 1760
Shipping Name (IATA):Corrosive liquid, N.O.S.
Hazard Class (IATA):8
Additional Hazard Class (IATA):NA
Packaging Group (IATA):II
UN ID Number (IATA):UN# 1760

SECTION 15: Regulatory Information
TSCA:Listed in the TSCA inventory.
SARA (Title 313):Title compound not listed.
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A

生态学数据:

对水是稍微危害的,若无政府许可,勿将材料排入周围环境

符号 GHS05
GHS05
信号词 Danger
危害声明 H314
警示性声明 P280-P305 + P351 + P338-P310
个人防护装备 Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
危害码 (欧洲) C: Corrosive;
风险声明 (欧洲) R34
安全声明 (欧洲) S26-S27-S28-S36/37/39
危险品运输编码 UN 3264 8/PG 2
WGK德国 3
包装等级 II
危险类别 8

四碘化硅的制备装置装置同制备三氯甲硅烷,在600℃使溴蒸气与硅反应制得。将硅装在反应管内,用除氧并充分干燥的氮气对系统进行置换,然后加热至600℃。将已提纯并干燥的氮气通入加热到50℃的溴中,为溴蒸气所饱和,然后送入反应管内与硅进行反应。对反应产物进行分馏提纯,可得到无色液体。如必要,可加汞提纯。