10124-56-8

• 常用中文名：六偏磷酸钠
• 常用英文名：hexametaphosphate
• CAS号：10124-56-8
• 分子式：Na₆O₁₈P₆
• 分子量：611.770
• 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：2018-02-03 08:00:00
• 更新时间：2024-01-01 17:06:52
• 【作用一】
  用作软水剂、洗涤剂、防腐剂、水泥促硬剂、纤维和漂染清洗剂，也用于医药、食品石油、印染、鞣革、造纸等。
  【作用二】
  用作普通分析试剂、软水剂，还用于照相洗印和印染
  【作用三】
  用作软水剂、洗涤剂、防腐剂、水泥促硬剂、纤维和漂染清洗剂，也用于医药、食品、印染、鞣革、造纸等
  【作用四】
  在食品工业中用作食品品质改良剂、pH值调节剂、金属离子螯合剂、分散剂、膨胀剂等
  【作用五】
  作品质改良剂，有提高食品的络合金属离子、pH值、增加离子强度等的作用，由此改善食品的结着力和持水性。我国规定可用于乳制品、禽肉制品、冰淇淋、方便面和肉制品，最大使用量5.0g/kg；在罐头、果汁(味)饮料和植物蛋白饮料中最大使用量为1.0g/kg。
  【作用六】
  组织改进剂；乳化剂；稳定剂；螯合剂。单独使用的情况较少，一般与焦磷酸盐和偏磷酸盐混合使用。混合剂主要用于火腿、香肠、鱼糜之类作为保水、嫩化和老残畜肉的软化的组织改进剂等。防止蟹类罐头产生结晶，果胶溶化剂等。
  【作用七】
  在食品工业中用作食品品质改良剂，用于罐头、果汁饮料、奶制品、豆乳。可作Ph调节剂、金属离子螯合剂、粘着剂和膨胀剂等。用于豆类、果蔬罐头，可以稳定天然色素，保护食品色泽；用在肉类罐头中可使脂肪乳化，保持质地均匀；用于肉类食品上可提高持水性，防止肉中脂肪变质。加入啤酒中，能澄清酒液，防止浑浊。
  【作用八】
  用作锅炉用水和工业用水(包括染料生产用水，钛白粉生产用水，印染调浆和染色用水，清洗彩色电影拷贝用水，以及化工用水，药品、试剂生产用水等)的软水剂，工业循环冷却水的水处理剂；还用作缓蚀剂，浮选剂，分散剂，高温结合剂，染色助剂，金属表面处理、防锈剂，洗涤剂助剂，水泥硬化促进剂。铜版纸生产用作浆料扩散剂，以提高渗透力。此外还用于洗涤器皿和化学纤维中用以除去浆粕中的铁离子。石油工业中用于钻探管的防锈和控制石油钻井时调节泥浆的黏度。
  【作用九】
  主要用于锅炉用水软水剂、印染染浴的软水剂和造纸扩散剂。还用于缓蚀剂、浮选剂、分散剂和高温结合剂。其它用于洗涤器皿以及化学纤维中用以除去浆粕中的铁质。还用于土壤分析。
   

名称

• 中文名: 六偏磷酸钠
• 英文名: Sodium Metaphosphate
• 中文别名: 格腊哈姆盐
• 英文别名: MFCD00136045; Sodium hexametaphoshpate; EINECS 233-343-1; Sodium metaphosphate; hexametaphosphate

物化性质

• 密度: 2.181
• 熔点: 616℃
• 分子式: Na₆O₁₈P₆
• 分子量: 611.770
• 精确质量: 611.689636
• PSA: 387.19000
• LogP: 3.28080
• 外观性状: 白色粒状的固体
• 折射率: 1.482
• 储存条件:

  六聚偏磷酸钠应贮存在阴凉、通风、干燥、清洁、无毒的库房内。严禁与有毒害物品共贮混运。

• 稳定性:

  六聚偏磷酸钠为无色透明玻璃片状或白色粒状结晶。比重2.484（20℃），在空气中易潮解，易溶于水，20℃时每升水溶解973.2克，80℃时每升水溶解1744克，1％溶液的PH值为5.5-6.5左右，不溶于有机溶剂，在中性介质中，水解最终产物为正磷酸盐。 吸湿性很强，露置于空气中能逐渐吸收水分而呈粘胶状物。能与碱土金属化合成可溶性复盐，因此有溶解水垢的功能，是一种良好的软水剂。

• 分子结构:

  1、摩尔折射率：无可用的

  2、摩尔体积（cm³/mol）：无可用的

  3、等张比容（90.2K）：无可用的

  4、表面张力（dyne/cm）：无可用的

  5、介电常数：无可用的

  6、极化率（10^-24cm³）：无可用的

  7、单一同位素质量：611.689649 Da

  8、标称质量：612 Da

  9、平均质量：611.7704 Da

• 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:18

  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296

  7.重原子数量:30

  8.表面电荷:0

  9.复杂度:513

  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:7

• 更多:

  1. 性状：白色粉末结晶，或无色透明玻璃片状或块状固体

  2. 密度（g/mL,25℃）：2.5

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（分解，ºC）：616

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,5.2kPa）：未确定

  7. 折射率：1.482

  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,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：易溶于水，不溶于有机溶剂。水溶液呈碱性。吸湿性很强，露置于空气中能逐渐吸收水分而呈黏胶状物。与钙、镁等金属离子能生成可溶性络合物。

MSDS

Name: Sodium Metaphosphate Material Safety Data Sheet Synonym: Metaphosphoric Acid Hexasodium Salt; Sodium Hexametaphosphate CAS: 10124-56-8 Section 1 - Chemical Product MSDS Name:Sodium Metaphosphate Material Safety Data Sheet Synonym:Metaphosphoric Acid Hexasodium Salt; Sodium Hexametaphosphate Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 10124-56-8 Sodium Metaphosphate app.100 233-343-1 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. Inhalation: May cause respiratory tract irritation. Chronic: No information found. 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. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Runoff from fire control or dilution water may cause pollution. Extinguishing Media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam. Use agent most appropriate to extinguish fire. 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. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Wash hands before eating. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. 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: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 10124-56-8: 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 to white Odor: odorless pH: 6.0-7.7 solution. Vapor Pressure: Not applicable. Viscosity: Not applicable. Boiling Point: Not applicable. Freezing/Melting Point: 1184 deg F Autoignition Temperature: Not applicable. Flash Point: Not applicable. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Not available. Solubility in water: Soluble in water. Specific Gravity/Density: 2.181 Molecular Formula: Na6P6O18 Molecular Weight: 611.7708 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, dust generation, excess heat. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Oxides of phosphorus, irritating and toxic fumes and gases, toxic fumes of sodium oxide. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 10124-56-8: OY3675000 LD50/LC50: CAS# 10124-56-8: Oral, mouse: LD50 = 4320 mg/kg; Oral, rat: LD50 = 6200 mg/kg. Carcinogenicity: Sodium Metaphosphate - Not listed by ACGIH, IARC, or NTP. Other: See actual entry in RTECS for complete information. 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 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: USA RQ: CAS# 10124-56-8: 5000 lb final RQ (Listed under Sodium phosphate, tribas 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# 10124-56-8: 1 Canada CAS# 10124-56-8 is listed on Canada's DSL List. CAS# 10124-56-8 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 10124-56-8 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

毒理学数据: 1、急性毒性：大鼠腹腔LD50：6200 mg/kg；小鼠经口LC50：4320 mg/kg；小鼠皮下LC50：1300 mg/kg；小鼠腹腔LC50：870 mg/kg小鼠注射LC50：62 mg/kg；兔子注射LDLo：140 mg/kg； 误服六聚偏磷酸钠，能引起严重的中毒现象，甚至死亡。最常见的中毒症状有休克、心律不齐、心跳过缓等。一旦中毒，应尽快到医院医治。 生态学数据: 通常对水体是稍微有害的，不要将未稀释或大量产品接触地下水，水道或污水系统，未经政府许可勿将材料排入周围环境。 CHEMICAL IDENTIFICATION RTECS NUMBER : OY3675000 CHEMICAL NAME : Metaphosphoric acid, hexasodium salt CAS REGISTRY NUMBER : 10124-56-8 LAST UPDATED : 199710 DATA ITEMS CITED : 10 MOLECULAR FORMULA : O18-P6.6Na MOLECULAR WEIGHT : 611.76 WISWESSER LINE NOTATION : NA6 P-O3*6 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 6200 mg/kg TOXIC EFFECTS : Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 38(9),19,1973 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4320 mg/kg TOXIC EFFECTS : Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 38(9),19,1973 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 870 mg/kg TOXIC EFFECTS : Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) REFERENCE : REPMBN Revue d'Epidemiologie, Medecine Sociale et Sante Publique. (Masson Editeur, 120 Blvd. Saint-Germain, F-75280 Paris Cedex O6, France) V.1- 1953- Volume(issue)/page/year: 10,391,1962 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1300 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 62 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 140 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 169,238,1933 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 69055 No. of Facilities: 17963 (estimated) No. of Industries: 159 No. of Occupations: 96 No. of Employees: 116515 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 69055 No. of Facilities: 17103 (estimated) No. of Industries: 154 No. of Occupations: 112 No. of Employees: 229447 (estimated) No. of Female Employees: 69475 (estimated)

安全

• 危害码 (欧洲): C
• 安全声明 (欧洲): S24/25
• 海关编码: 2835391900

制备

1.磷酸二氢钠法将纯碱溶液与磷酸在80～100℃进行中和反应2h，生成的磷酸二氢钠溶液经蒸发浓缩、冷却结晶，制得二水磷酸二氢钠，加热至110～230℃脱去2个结晶水，继续加热脱去结构水，进一步加热至620℃时脱水，生成的偏磷酸钠熔融物，并聚合成六偏磷酸钠。然后卸出，从650℃骤冷至60～80℃时制片，经粉碎制得六偏磷酸钠成品。其

2.五氧化二磷法将黄磷在干燥空气流中燃烧氧化、冷却而得的五氧化二磷与纯碱按一定比例(Na2O：P2O5=1～1.1)混合。将混合粉料于石墨坩埚中间接加热使其脱水熔聚，生成的六偏磷酸钠熔体经骤冷制片、粉碎，制得工业六偏磷酸钠成品。其

3.将试剂磷酸二氢钠加热至700～900℃熔融，当熔融物完全透明，内部气泡消失后，骤冷至60～80℃，得到薄片玻璃状产品，即为六偏磷酸钠：

4.将 试 剂 磷 酸 二 氢 钠 加 热 至250℃，骤冷，可得偏磷酸钠的二聚物；加热至650℃，骤冷，得六偏磷酸钠。

5.磷酐法　将黄磷加热熔融后，送入氧化燃烧炉中，用干燥空气中的氧进行氧化燃烧反应，生成中间产品磷酐。再将磷酐与纯碱混合后，经高温聚合反应，骤冷制片即得片状六偏磷酸钠；经粉碎可得粉状六偏磷酸钠。

6.中和聚合法　工艺流程如下：

将磷酸和液体氢氧化钠分别经各自的批量控制器（控制每批液碱、酸投入量，可自动配料，加料速度可在0～20L/min范围内任意调节），按要求加入量连续、准确地加入到中和槽中进行中和反应，反应完成后，pH值达4～4.4，生成磷酸氢二钠，通过中和液泵送入高位槽。将一定量的磷酸氢二钠连续、均匀送到干燥机中干燥，得到规定水分含量的片状磷酸氢二钠，再连续地送入由特殊耐腐蚀材料制成的经柴油燃烧的高温（750～850℃）聚合炉中，使磷酸氢二钠熔融聚合；熔融物料经从聚合炉中连续流出，经骤冷压片即得片状六偏磷酸钠，破碎、筛分得产品。

海关

海关编码	2835391900