12125-28-9
12125-28-9结构式
- 常用中文名：轻质碳酸镁
- 常用英文名：Magnesium carbonate dihydroxymagnesium (1:1:1)
- CAS号：12125-28-9
- 分子式：CH2Mg2O5
- 分子量：142.634
- 相关类别： 原料药 消化系统用药 抗酸及胃黏膜保护药
- 发布时间：2018-03-29 08:00:00
- 更新时间：2024-01-06 15:45:06
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可以作为制备高纯镁砂、镁盐等系列产品的原材料之外,还可以作为橡胶、药物、绝缘材料等化工产品的添加剂和改良剂。
| 中文名 | 轻质碳酸镁 |
|---|---|
| 英文名 | magnesium hydroxide carbonate |
| 中文别名 | 超亮碳酸镁 |
| 英文别名 |
MFCD00149784
EINECS 235-192-7 Magnesium carbonate hydrated Magnesium carbonate dihydroxymagnesium (1:1:1) |
| 密度 | 2.15 g/cm3at 20°C (lit.) |
|---|---|
| 沸点 | 333.6ºC at 760 mmHg |
| 熔点 | 77-80 °C(lit.) |
| 分子式 | CH2Mg2O5 |
| 分子量 | 142.634 |
| 闪点 | 169.8ºC |
| 精确质量 | 141.960312 |
| PSA | 103.65000 |
| 外观性状 | 白色固体 |
| 蒸汽压 | 2.58E-05mmHg at 25°C |
| 储存条件 | 室温 |
Synonym:Carbonate Magnesium; Carbonic Acid Magnesium Salt; Magnesite Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Not available. Potential Health Effects Eye: May cause mild eye irritation. Skin: May cause mild skin irritation. Low hazard for usual industrial handling. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause central nervous system effects. Inhalation: May cause respiratory tract irritation. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Skin: Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use extinguishing media most appropriate for the surrounding fire. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Wash area with soap and water. Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits. Exposure Limits CAS# 12125-28-9: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Solid Color: white Odor: None reported. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 900 deg C (-CO2) Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: 350 deg C Solubility in water: Insoluble in water. Specific Gravity/Density: 2.958 Molecular Formula: MgCO3 Molecular Weight: 84.3032 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Acids Hazardous Decomposition Products: Carbon dioxide, oxides of magnesium. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 12125-28-9 unlisted. LD50/LC50: Not available. Carcinogenicity: Magnesium Carbonate - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling. Section 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: WGK (Water Danger/Protection) CAS# 12125-28-9: 0 Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 12125-28-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 12125-28-9 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
| 安全声明 (欧洲) | S22-S24/25 |
|---|---|
| WGK德国 | 3 |
| 海关编码 | 2836991000 |
| 海关编码 | 2836991000 |
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