硅化钛 | 12039-83-7

• 物质功能分类: 无机化工 - 无机盐 - 硅化物及硅酸盐
• 分子结构分类: 无机化合物 - 混合金属/非金属化合物 - 类金属盐
• 中文名称: 硅化钛
• CAS: 12039-83-7
• 化学式: Si2Ti
• 分子量: 104.04
• InChiKey: DFJQEGUNXWZVAH-UHFFFAOYSA-N

物化性质

• 熔点：
  1540°C
• 沸点：
  1540°C
• 密度：
  4,39 g/cm3
• 溶解度：
  不溶于水、酸性溶液、碱性溶液；溶于HF
• 稳定性/保质期：
  在常温常压下，该物质是稳定的。应避免与氧化物、酸和碱接触。

计算性质

• 辛醇/水分配系数(LogP)：
  -0.76
• 重原子数：
  3
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

安全信息

• TSCA：
  Yes
• 危险等级：
  4.1
• 危险品运输编号：
  UN3178
• RTECS号：
  XR2420000
• 包装等级：
  III
• 危险类别：
  4.1

SDS

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Section 1: Product Identification
Chemical Name: Titanium silicide (99+%-Ti)
CAS Registry Number: 12039-83-7
Formula: TiSi2
EINECS Number: 234-904-3
Chemical Family: metal silicide
Synonym: Titanium disilicide

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Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 12039-83-7 100% no data no data

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Section 3: Hazards Identification
Emergency Overview: May be irritating to skin, eyes and mucous membranes.
Primary Routes of Exposure: Ingestion
Eye Contact: May cause mild to moderate irritation of the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
Inhalation: Dust may be irritating to the nose, mucous membranes and respiratory tract.
Ingestion: No information is available on the physiological effects of ingestion.
Acute Health Affects: May be irritating to skin, eyes and respiratory tract.
Chronic Health Affects: No information available on long-term chronic effects.
NTP: No
IARC: No
OSHA: No

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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 in
Inhalation:
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.

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SECTION 5: Fire Fighting Measures
Flash Point: no data
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide or dry powder
If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus.
Hazardous Combustion and If involved in a fire toxic oxidation or decomposition products may form.
Decomposion Products:
Unusual Fire or Explosion Hazards: May be fire or explosion hazard if in the form of a fine dust mixed with air.

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SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Sweep up the solids and dispose of properly.

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SECTION 7: Handling and Storage
Handling and Storage: Store the material in a sealed container. Keep away from heat.

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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: 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 Respiratory
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: No additional protection required.

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SECTION 9: Physical and Chemical Properties
Color and Form: -325 mesh gray to black powder
Molecular Weight: 112.03
Melting Point: 1540°
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: 4.39
Odor: none
Solubility in Water: insoluble

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SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: No hazardous polymerization.
Conditions to Avoid: none
Incompatibility: strong oxidizing agents
Decomposition Products: none

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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

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SECTION 12: Ecological Information
Ecological Information: No information available

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

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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

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

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

生产方法：

1. 将金属钛和金属硅放入电弧炉内，在氩气气氛下加热至1100℃熔融，可制得二硅化钛。

2. 亦可采用合成法：将金属钛和金属硅放入电弧炉内，在氩气气氛下于1100℃熔融，即得二硅化钛。