7783-13-3

• 常用中文名：磷酸氢钠铵四水合物
• 常用英文名：SODIUM AMMONIUM HYDROGEN PHOSPHATE TETRAHYDRATE
• CAS号：7783-13-3
• 分子式：H₁₃NNaO₈P
• 分子量：209.069
• 相关类别： 无机化工 无机盐 磷化物、金属的磷酸、偏磷酸、次磷酸和焦磷酸盐
• 发布时间：2018-05-18 08:00:00
• 更新时间：2024-01-02 19:32:45

• 1.用作分析试剂，如作镁的沉淀剂。

  2.用于铀、锌、锰的化学分析。

名称

• 中文名: 磷酸氢钠铵
• 英文名: sodium ammonium hydrogen phosphate tetrahydrate
• 中文别名: 四水磷酸氢铵钠; 四水磷酸氢铵钠; 相关CAS号：13011-54-6
• 英文别名: MFCD00066970; SODIUM AMMONIUM PHOSPHATE,4-HYDRATE; SODIUM AMMONIUM PHOSPHATE; MICROCOSMIC SALT; SODIUM AMMONIUM HYDROGEN PHOSPHATE; SODIUM AMMONIUM PHOSPHATE REAGENT; sodium ammonium biphosphate; AMMONIUM SODIUM PHOSPHATE; SALT OF PHOSPHORUS; EINECS 235-860-8; SODIUM AMMONIUM PHOSPHATE TETRAHYDRATE; Ammonium sodium hydrogen phosphate hydrate (1:1:1:4); MicrocosMic salt tetrahydrate

物化性质

• 密度: 1.54
• 熔点: 80ºC
• 分子式: H₁₃NNaO₈P
• 分子量: 209.069
• 精确质量: 209.027649
• PSA: 130.15000
• LogP: 0.06680
• 外观性状: 无色至白色晶体或结晶粉末
• 储存条件:

  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

• 水溶解性: H2O: 1 M at 20 °C, clear, colorless
• 更多:

  1. 性状：无色透明结晶或白色颗粒。在空气中风化并失去部分铵。

  2. 密度（g/mL 25ºC）：1.54

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：97

  5. 沸点（ºC，常压）：未确定

  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)：易溶于水，水溶液呈碱性。不溶于乙醇。

MSDS

Name: Sodium Ammonium Phosphate Tetrahydrate Material Safety Data Sheet Synonym: Ammonium sodium phosphate tetrahydrate CAS: 7783-13-3 Section 1 - Chemical Product MSDS Name:Sodium Ammonium Phosphate Tetrahydrate Material Safety Data Sheet Synonym:Ammonium sodium phosphate tetrahydrate Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 7783-13-3 Sodium ammonium phosphate tetrahydrate >99 unlisted Hazard Symbols: None Listed. Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Not available. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. Ingestion: May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Chronic: Prolonged or repeated skin contact may cause dermatitis. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: 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 if cough or other symptoms appear. 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. Combustion generates toxic fumes. Extinguishing Media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid breathing dust. 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 ventilation to keep airborne concentrations low. Exposure Limits CAS# 7783-13-3: CAS# 13011-54-6: 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 minimize contact with skin. 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: colorless Odor: odorless pH: 8 (5% solution) Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not applicable. Freezing/Melting Point: 79 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Not available. Solubility in water: soluble in water Specific Gravity/Density: 1.54 Molecular Formula: H5NNaO4P.4H2O Molecular Weight: 209.07 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: High temperatures, dust generation. Incompatibilities with Other Materials: No significant incompatibilities identified with common materials and contaminants.. Hazardous Decomposition Products: Oxides of nitrogen, oxides of phosphorus, ammonia and/or derivatives. Hazardous Polymerization: Will not occur. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 7783-13-3 unlisted. CAS# 13011-54-6 unlisted. LD50/LC50: Not available. Not available. Carcinogenicity: Sodium ammonium phosphate tetrahydrate - Not listed by ACGIH, IARC, or NTP. Phosphoric acid, monoammonium monosodium salt anhydrous - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Other When too many nutrients such as phosphorus are in the water, algae grows maniacally. Algae blooms are followed by a die-off, and as material decays, it consumes oxygen like a forest fire. No fish, plants or insects can live in oxygen-free zones. Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: IMO Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: RID/ADR Shipping Name: Not regulated. Hazard Class: UN Number: Packing group: Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 7783-13-3: No information available. CAS# 13011-54-6: No information available. Canada CAS# 13011-54-6 is listed on Canada's DSL List. CAS# 7783-13-3 is not listed on Canada's Ingredient Disclosure List. CAS# 13011-54-6 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 7783-13-3 is not on the TSCA Inventory because it is a hydrate. It is considered to be listed if the CAS number for the anhydrous form is on the inventory (40CFR720.3(u)(2)). CAS# 13011-54-6 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

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

安全

• 个人防护装备: Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
• 危害码 (欧洲): Xi
• 安全声明 (欧洲): S24/25
• 危险品运输编码: NONH for all modes of transport
• WGK德国: 3

制备

1.按理论量将化学纯十二水合磷酸氢二钠与氯化铵溶于沸水，即反应生成磷酸氢铵钠：

然后冷却、结晶，滤干后用相同质量的热水溶解结晶，趁热滤去不溶物，所得滤液在不断搅拌下冷却至１10℃，析出的结晶经真空吸滤后于室温下干燥至不粘玻棒为止，即得试剂级磷酸氢钠铵。也可采用饱和磷酸二氢钠溶液和氨水反应，经蒸发结晶得到：