Sodium Trimetaphosphate 偏磷酸钠

CAS 7785-84-4 MFCD00867826

化学结构图

7785-84-4
SMILES: O=P1([O-])OP(=O)([O-])OP(=O)([O-])O1.[Na+].[Na+].[Na+]

化学属性

Mol. FormulaNa3O9P3
Mol. Weight305.89
Density2.49
TSCAYes
Melting Point53 °C
Appearance 白色粉状结晶。 溶于水。不溶于醇。
SolubilitySoluble in water (100 mg/mL). Insoluble in alcohol.,

别名和识别编码

Chemical NameSodium Trimetaphosphate
Synonym Sodium trimetaphosphate {LY} Sodium trimetaphosphate {} {LY} Sodium trimetaphosphate {} {} {LY} Sodium trimetaphosphate {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium trimetaphosphate {} {} {} {} {} {} {} {} {} {} {} {} {} {}
MDL NumberMFCD00867826
CAS Number7785-84-4
PubChem Substance ID24579
EC Number232-088-3
Merck Number14,8696
Chemical Name Translation偏磷酸钠
Wiswesser Line NotationNA3 P-O3*3
LabNetwork Molecule IDLN00225244
InChIInChI=1S/3Na.H3O9P3/c;;;1-10(2)7-11(3,4)9-12(5,6)8-10/h;;;(H,1,2)(H,3,4)(H,5,6)/q3*+1;/p-3
Canonical SMILES[Na][Na].[Na]P(P(=O)=O)(OO[O])(O[O])P(=O)=O
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分类

  • {SNA} Chemical Synthesis, Essential Chemicals, Inorganic Salts, Materials Science, Metal and Ceramic Science, Research Essentials, Salts, Sodium, Sodium Salts, Synthetic Reagents
  • {uni_hamburg} no charge; oxygen heterocycle; other heterocycle; 6RingOnly; 6ring; 4fragments; ionic
  • {SNA} Chemical Synthesis, Essential Chemicals, Inorganic Salts, Metal and Ceramic Science, Research Essentials, Salts, Sodium, Sodium Salts, Synthetic Reagents, 材料科学
  • {SNA} Chemical Synthesis, Inorganic Salts, Materials Science, Metal and Ceramic Science, Salts,

产品应用

  • 鉴定方法：本品呈钠离子反应和磷酸盐反应。
  • ①钠盐反应：将铂丝用浓盐酸湿润后，蘸取本品少许，在无色火焰上燃烧，火焰呈鲜艳黄色（钠离子）。
  • ②磷酸盐反应：取本品中性溶液，加硝酸银溶液（20g/L），有浅黄色沉淀生成，分离沉淀，沉淀在氨溶液（2+3）或硝酸溶液（6 mol/L）中易溶解。

相关文献及参考

  • Short: III/39
  • Short: EINECS
  • Short: IV/1b
  • Merck: 14,8696

安全信息

WGK Germany2
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECSOY4025000
Packing GroupIII
Signal word Warning
GHS Symbol
Safety Statements
  • S44 None 如果你感觉不适，征求医生意见（可能时出示标签）；
UN Number 3077
Hazard Codes 9
Precautionary statements
  • P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适，呼叫解毒中心或医生/医师。
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1165 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       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 10300 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

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5940 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       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3650 mg/kg
TOXIC EFFECTS :
   Behavioral - excitement
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 108,117,1953

Storage condition Store at room temperature, keep dry and cool {LY} Store at room temperature, keep dry and cool {} {LY} Store at room temperature, keep dry and cool {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store

其他信息

  • 用途二:淀粉改性剂；果汁浑浊防止剂；保水剂；水质软化剂；肉类粘结剂；分散剂；稳定剂(
  • 所属类别二:食品添加剂: 小麦粉、淀粉改质剂: 淀粉改性剂
  • Alfa Aesar:Sodium trimetaphosphate(7785-84-4)
  • 参考质量标准一:
  • 鉴别试验:5%试样水溶液的钠盐试验(IT-28)呈阳性。 取试样约100mg，溶于5ml热稀硝酸试液(TS-158)中，于蒸汽浴内温热10min后冷却，用氢氧化钠试液(TS-224)中和至石蕊呈中性，加硝酸银试液(TS-210)后应有黄色沉淀产生。
  • 方法一:由五氧化二磷与碳酸钠在475～500℃下共热而得。
  • 三偏磷酸钠价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 20040128 偏磷酸钠;二缩原偏磷酸钠 500g 44元 2010/05/25 89063 Sodium trimetaphosphate 5kg 1652元 2010/05/25 89063 Sodium trimetaphosphate 1kg 552元
  • 上游原料:磷酸 --> 磷酸二氢钠 --> 焦磷酸二氢二钠 --> 偏磷酸钠
  • 使用限量:GB 2760-96：肉制品1
  • 参考质量标准二:FCC，1996 P2C)5含量 68.0%～70.0% 砷(GT-3；试样液1g/35m1) ≤3mg/kg 氟化物(GT-15，试样2g)40.005% 重金属(GT-16-1， ≤10mg/kg 试样液2g 25m1) 不溶性物质 ≤0.1%
  • 用途四:鉴定方法：本品呈钠离子反应和磷酸盐反应。 ①钠盐反应：将铂丝用浓盐酸湿润后，蘸取本品少许，在无色火焰上燃烧，火焰呈鲜艳黄色（钠离子）。 ②磷酸盐反应：取本品中性溶液，加硝酸银溶液（20g/L），有浅黄色沉淀生成，分离沉淀，沉淀在氨溶液（2+3）或硝酸溶液（6 mol/L）中易溶解。
  • Sigma Aldrich:7785-84-4(sigmaaldrich)
  • 用途三:在食品工业中用作淀粉改性剂，果汁混浊防止剂，肉类黏结剂，分散剂，稳定剂(用于冰淇淋、干酪等)。能防止食品变色与防止维生素C分解。也用作水质软化剂。
  • 方法二:磷酸二氢钠法是简单而常用的制法。 磷酸二氢钠法将食用磷酸二氢钠加热，于95℃脱水成为无水磷酸二氢钠，然后送人箱式聚合炉中加热熔融聚合，当物料温度在140～200℃时，先转化成酸式焦磷酸钠，再加热至260℃时转化成环状偏磷酸钠，再加热至500℃时聚合成三偏磷酸钠，经冷却，粉碎，制得食用三偏磷酸钠成品。其 NaH2PO4→Na2H2P2O7[260℃]→(NaPO3)n[500℃]→Na3P3O9
  • 环磷酸盐.
  • MOL 文件:7785-84-4.mol
  • 所属类别一:无机化工产品: 无机盐: Cm磷化合物及磷酸盐
  • 用途一:用作淀粉改良剂，食品工业用于面粉、糕点制品等
  • MSDS 信息:Metaphosphoric acid trisodium salt(7785-84-4).msds
  • 下游产品:双淀粉磷酸酯 --> 乙酰化二淀粉磷酸酯(乙酰化磷酸双淀粉) --> 羟丙基磷酸双淀粉 --> 乙酰化磷酸双淀粉
  • 微溶于水（1 g/10 mL），1%水溶液的PH值约为6.0。在水溶液中加氯化钠可形成六水盐的结晶体，能与金属离子结合。
  • 含量分析:准确称取试样约800mg放人一500ml容量瓶中，加水100ml和硝酸25ml，于加热板上沸煮10min，冷却后用水定容并混合。吸取此溶液20.0ml，移入一500ml锥形烧瓶中，加水100ml，加热至刚沸，在搅拌下加入喹钼柠酮试液(TS-202)50ml，盖上表面皿，于一屏风式罩内沸腾1min，冷却至室温，冷却过程中偶尔搅拌一下。经一已知重量的古氏坩埚(或中等孔度的烧结玻璃坩埚)过滤，滤渣用水洗涤5次，每次25ml，于约225℃下干燥30min，冷却、称重。由此所得的每毫克沉淀相当于五氧化二磷(P 2 O 5 )32.074mg。

系列性分类

  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Inorganic Salts - Synthetic Reagents
  4. Sodium - Inorganic Salts

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