12022-99-0

12022-99-0结构式

常用中文名：硅化铁
常用英文名：Iron disilicide
CAS号：12022-99-0
分子式：FeH₄Si₂
分子量：116.04800
相关类别：无机化工无机盐硅化物及硅酸盐
发布时间：2018-03-26 08:00:00
更新时间：2024-01-16 21:59:51
用作氢的催化氧化、甲烷化催化剂。

化源商城直购

中文名	硅化铁
英文名	iron silicide
英文别名	MFCD00016087 Ironsilicidegraypowder Ironsilicide Iron silicon Iron disilicon Iron silicide Iron disilicide EINECS 234-671-8

密度	4.75
熔点	1220ºC
分子式	FeH₄Si₂
分子量	116.04800
精确质量	115.92000
外观性状	Powder \| gray
储存条件	常温密闭，阴凉通风干燥处
稳定性	常温常压下稳定避免光，明火，高温。钢灰色的不透明体。在EtONa存在下与EtOH反应生成Si(OEt)4。用作焊接助熔剂的脱氧剂、湿度传感器、FeSi2热电偶、热电太阳能电池。
水溶解性	Insoluble in water.
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:3 8.表面电荷:0 9.复杂度:18.3 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：灰色粉末，无气味，四方晶 2. 密度（g/mL,25℃）：4.79 3. 相对蒸汽密度（g/mL,空气=1）：未确定 4. 熔点（ºC）：1220 5. 沸点（ºC,常压）：未确定 6. 沸点（ºC，1mmHg）：未确定 7. 折射率：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（20ºC）：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：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：不溶于水

Section 1: Product Identification
Chemical Name:Iron silicide, 99%
CAS Registry Number:12022-99-0
Formula:FeSi2
EINECS Number:234-671-8
Chemical Family:metal silicide

Synonym:Ferrosilicon

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound12022-99-0100%no datano data

Section 3: Hazards Identification
Emergency Overview:May be irritating to skin and eyes and respiratory tract.
Primary Routes of Exposure:Ingestion, inhalation
Eye Contact:May be a mild to severe irritant to the eyes.
Skin Contact:May cause slight to mild irritation of the skin.
Inhalation:Do not breath dust. Inhalation of powder may lead to irritation of the respiratory tract.
Ingestion:Ingestion may lead to vomiting, and diarrhea.
Acute Health Affects:May be irritating to skin, eyes, mucous membranes and respiratory tract. Do not breath dust.
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:carbon dioxide, foam or dry powder
If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
Special Fire Fighting Procedures:
self- contained breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may produce silica dust.
Decomposion Products:
Unusual Fire or Explosion Hazards: Flammable solid. Dust may form explosive mixtures with air. Evolves flammable hydrogen with steam.

SECTION 6: Accidental Release Measures
In the case of a spill, the material should be covered with dry soda ash, limestone, or sand. Place in open
Spill and Leak Procedures:
container. Flammable hydrogen evolution may occur if wet.

SECTION 7: Handling and Storage
Store in a tightly sealed container in a cool dry place. Use good housekeeping practice to avoid accumulation
Handling and Storage:
of spilled dust, a fire hazard.

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.
Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:gray pwdr.
Molecular Weight:112.02
Melting Point:1220 °C
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:4.75
Odor:none
Solubility in Water:insoluble

SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:Mixtures of fine dust with air. Contact with an ignition source.
Incompatibility:Oxidizing agents and halogens
Decomposition Products:none

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):Non-hazardous
Hazard Class (CFR):NA
Additional Hazard Class (CFR):NA
Packaging Group (CFR):NA
UN ID Number (CFR):NA
Shipping Name (IATA):Non-hazardous
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):NA

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

毒理学数据:

主要的刺激性影响：

在皮肤上面：刺激皮肤和粘膜

在眼睛上面：刺激的影响

致敏作用：没有已知的敏化现象

生态学数据:

通常对水是不危害的，若无政府许可，勿将材料排入周围环境

危害码 (欧洲)	Xn
风险声明 (欧洲)	R36/37/38
安全声明 (欧洲)	S26-S37
危险品运输编码	NONH for all modes of transport

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