甲醇钙 | 2556-53-8

• 物质功能分类: 有机原料 - 有机金属类化合物 - 有机钙
• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 甲醇钙
• 中文别名: 甲氧化鈣
• 英文名称: AKC 165; Calcium Dimethoxide
• CAS: 2556-53-8
• 化学式: CH4CaO
• 分子量: 72.12
• InChiKey: NVXIEDHPFHVZTC-UHFFFAOYSA-N

物化性质

• 熔点：
  >385 °C (lit.)
• 稳定性/保质期：
  如果遵照规格使用和储存，则不会分解。

计算性质

• 辛醇/水分配系数(LogP)：
  -0.77
• 重原子数：
  3
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  20.2
• 氢给体数：
  1
• 氢受体数：
  1

安全信息

• TSCA：
  Yes
• 危险品标志：
  Xn
• 安全说明：
  S24,S26,S36,S45
• 危险类别码：
  R20/22,R36/38,R41
• WGK Germany：
  3

SDS

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Section 1: Product Identification
Chemical Name: Calcium methoxide, min. 90% (balance methanol)
CAS Registry Number: 2556-53-8
Formula: Ca(OCH3)2
EINECS Number: 219-873-6
Chemical Family: metal alkoxide
Synonym: calcium methylate in wood spirits, wood alcohol

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Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 2556-53-8 90% no data no data
methanol 67-56-1 10% 200ppm 260mg/m3

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Section 3: Hazards Identification
Irritating to skin, eyes, and respiratory system. Methanol may cause blindness, intoxication, dizziness, coma
Emergency Overview:
and death.
Primary Routes of Exposure: Inhalation, ingestion, contact with skin and eyes.
Eye Contact: Causes severe irritation of the eyes. Delayed blindness may occur through atrophy of the optic nerve.
Skin Contact: Causes moderate irritation of the skin.
Methanol vapor may be irritating to the respiratory tract and cause headache, dizziness, coma, and blindness.
Inhalation:
Ingestion: Ingestion may cause gastrointestinal distress, blindness, convulsions and coma.
Irritating to skin, eyes and respiratory tract, cause nausea and vomiting, intoxication, blindness, convulsions,
Acute Health Affects:
and coma.
Prolonged exposure may damage eyes, kidneys, and liver, and cause permanent blindness. In animal studies
Chronic Health Affects:
methanol has acted as a mutagen and reproductive effector.
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 soap and water. Remove contaminated clothes if necessary. Seek medical
Skin Exposure:
assistance if 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.
Ingestion: Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious).

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SECTION 5: Fire Fighting Measures
Flash Point: 48.2°F (methanol)
Autoignition Temperature: no data
Explosion Limits: 6-36% (methanol)
Extinguishing Medium: carbon dioxide, dry powder or foam
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 and If involved in a fire this material may emit toxic organic fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: Highly flammable. Formation of explosive air/vapor mixtures is possible in presence of moisture.

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SECTION 6: Accidental Release Measures
Eliminate all ignition sources. Avoid contact with water. Small spills may be adsorbed into diatomaceous earth,
Spill and Leak Procedures:
sand, or other suitable adsorbent, and swept up.

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SECTION 7: Handling and Storage
Store in a tightly sealed container in a cool dry place. If container is left open, product may adsorb moisture
Handling and Storage:
and carbon dioxide from the atmosphere and release methanol vapor.

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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: Material may form a vapor upon exposure to air. 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 vapor upon exposure to air. 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: off-white pwdr.
Molecular Weight: 102.15
Melting Point: no data
Boiling Point: no data
Vapor Pressure: not applicable
Specific Gravity: no data
Odor: woody alcohol odor
Solubility in Water: Reacts with water

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SECTION 10: Stability and Reactivity
Stability: air and moisture sensitive solid
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: Keep away from moisture, heat and ignition sources including open flame and electrostatic discharge.
Incompatibility: water, mineral acids, alkali metals, oxidizing agents, acid chlorides, and halogens
Decomposition Products: Carbon dioxide, carbon monoxide, organic vapors, and metal oxides and carbonates.

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SECTION 11: Toxicological Information
No information available in the RTECS files for title compound. Methanol: eye (rbt) draize: moderate; oral
(human) TDLo: 3571 ul/kg; oral (human) TDLo: 9450 ul/kg; oral (human) LDLo: 6422 mg/kg; oral (human)
RTECS Data:
LDLo: 428 mg/kg; inhalation (human) TCLo: 86000 mg/m3; inhalation (human) TCLo: 300 ppm; inhalation (rat)
LC50: 64000 ppm/4h.
Carcinogenic Effects: No data available
Mutagenic Effects: Methanol: Mutagen
Tetratogenic Effects: Methanol: Reproductive effector

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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): Flammable solids, Organic, N.O.S.
Hazard Class (CFR): 4.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 1325
Shipping Name (IATA): Flammable solid, Organic, N.O.S.
Hazard Class (IATA): 4.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 1325

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SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: Methanol (CAS# 67-56-1): listed in TSCA and SARA.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

甲醇钙是一种碱土金属醇盐，具有较强的碱性、较低的甲醇溶解度以及较长的使用寿命等特点，适用于催化酯交换反应制备生物柴油。

甲醇钙的合成过程如下：在密封反应釜中，将碳化钙与甲醇按1:2～6的摩尔比滴加混合，生成甲醇钙。