SODIUM TRIMETAPHOSPHATE
trimetaphosphate grade iii trisodium
CAS: 7785-84-4
Molecular Formula: 3Na.O9P3
SODIUM TRIMETAPHOSPHATE - Names and Identifiers
SODIUM TRIMETAPHOSPHATE - Physico-chemical Properties
| Molecular Formula | 3Na.O9P3 |
| Molar Mass | 305.88 |
| Density | 2.49 |
| Melting Point | 53℃ [MER06] |
| Water Solubility | Soluble in water. Insoluble in alcohol. |
| Solubility | Soluble in water (100 mg/mL). Insoluble in alcohol ., |
| Appearance | White powder |
| Specific Gravity | 2.49 |
| Color | White |
| Merck | 14,8696 |
| Storage Condition | Inert atmosphere,Room Temperature |
| MDL | MFCD00867826 |
| Physical and Chemical Properties | Character white powder crystal. relative density 2.54g/cm3 solubility in water. Insoluble in alcohol. |
| Use | Used as a starch improver, food industry for flour, cake products, etc |
SODIUM TRIMETAPHOSPHATE - Risk and Safety
| UN IDs | UN 3077 9 / PGIII |
| WGK Germany | 2 |
| RTECS | OY4025000 |
| TSCA | Yes |
| HS Code | 28353190 |
SODIUM TRIMETAPHOSPHATE - Reference
| Reference Show more | 1. Shang Kun, Chen Jinyu, Zhang Kunsheng, etc. Phosphorylation of myofibrillar protein in shrimp and its application in meat products [J]. Science and Technology of food industry, 2019, 40(08):18-26. 2. [IF = 8.198] Yawen Cai et al."Rational Synthesis of Novel exposed Chitosan-Carboxymethyl cellose Composite for high efficiency decontotion of U(VI). Acs Sustain Chem Eng. 2019;7(5): 3393-5403 |
SODIUM TRIMETAPHOSPHATE - Nature
Open Data Verified Data
White Crystal or crystalline powder. Melting point 627.6 °c. Density 2.476g/cm3. Readily soluble in water (2lg/lOOmL), the pH of the 1% aqueous solution is 6.0. The addition of sodium chloride to the aqueous solution results in the formation of crystals of the hexahydrate salt.
Last Update：2024-01-02 23:10:35
SODIUM TRIMETAPHOSPHATE - Preparation Method
Open Data Verified Data
The edible sodium dihydrogen phosphate is heated, dehydrated at 95 ℃ to become anhydrous sodium dihydrogen phosphate, and then sent into the box type polymerization furnace to heat and melt polymerization. When the material temperature is 140~200 ℃, first, it is converted into sodium pyrophosphate, and then it is converted into cyclic sodium metaphosphate when heated to 260 ℃, and then it is polymerized to synthesize trimetaphosphoric acid when heated to 500 ℃. After cooling and grinding, the edible sodium trimetaphosphate product is prepared.
Last Update：2022-01-01 09:04:09
SODIUM TRIMETAPHOSPHATE - Introduction
Cyclophosphate
Last Update：2022-10-16 17:28:48
SODIUM TRIMETAPHOSPHATE - Use
Open Data Verified Data
used in the food industry as a starch modifier, juice turbidity prevention agent, meat Binder, dispersant and stabilizer (for ice cream, cheese, etc.). Can prevent food discoloration and prevent the decomposition of vitamin C. It is also used as a water softening agent.
Last Update：2022-01-01 09:04:09
SODIUM TRIMETAPHOSPHATE - Safety
Open Data Verified Data
rat intraperitoneal LDso:3650mg/kg. GRAS(FDA, & sect;182, 2000). Store in a cool, ventilated, dry, clean warehouse. It is not allowed to be stored and mixed with toxic and hazardous substances. Transport should be protected from rain and sun exposure. Handling should be careful to prevent packaging rupture. Fire, can use water, sand, all kinds of fire extinguishing.
Last Update：2022-01-01 09:04:10
SODIUM TRIMETAPHOSPHATE - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | used in food industry as starch modifier, fruit juice beverage anti-mixing agent, meat product water retention, adhesive, dispersant, stabilizer, prevent food discoloration and vitamin decomposition. used in the food industry as a starch modifier, juice turbidity prevention agent, meat Binder, dispersant, stabilizer (for ice cream, cheese, etc.). Can prevent food discoloration and prevent the decomposition of vitamin C. It is also used as a water softening agent. starch modifier; Juice turbidity prevention agent; Water retention agent; Water softening agent; Meat binder; Dispersant; Stabilizer (for ice cream, cheese, etc.); Can prevent food discoloration and vitamin C decomposition. used as starch improver, used in food industry for flour, cake products, etc. |
| identification test | the sodium salt test (IT-28) of 5% aqueous sample solution was positive. Take about TS-158 mg of sample, dissolve in 5ml of hot dilute nitric acid test solution (TS-224), warm in steam bath for 10min, then cool, neutralize with sodium hydroxide test solution () until litmus is neutral, A yellow precipitate should be produced after addition of the silver nitrate test solution (TS-210). |
| content analysis | accurately weigh about 800mg of sample into a 500ml volumetric flask, add 100ml of water and 25ml of nitric acid, it was boiled on a heating plate for 10min, cooled, and mixed with water to volume. Take up 20.0ml of this solution, move it into a TS-202 ml Erlenmeyer flask, add ml of water, heat to just boiling, add 50ml of quinomolybdate limonone solution () with stirring, and cover the surface, boiling in a screen hood for 1min, cooled to room temperature, occasionally stirred during cooling. Filtration was carried out through a cucurbit crucible of known weight (or a sintered glass crucible of Medium porosity), and the filter residue was washed five times with 25ml of water each time, dried at about 225 ° C. For 30min, cooled and weighed. Each mg of precipitate thus obtained corresponds to 32.074mg of phosphorus pentoxide (P2O5). |
| toxicity | GRAS(FDA,§ 182.6769,2000). LD503650mg/kg (rat, abdominal injection). Generally Recognized As Safe (U. S. Food and Drug Administration, 1985). |
| usage limit | GB 2760-96: meat products 1g/kg; Fruits and vegetables peeling GMP. |
| production method | is derived from the Co-heating of phosphorus pentoxide and sodium carbonate at 475-500 °c. The sodium dihydrogen phosphate process is a simple and commonly used process. The edible sodium dihydrogen phosphate is heated by sodium dihydrogen phosphate method, dehydrated at 95 ℃ to become anhydrous sodium dihydrogen phosphate, and then sent to a box-type polymerization furnace for heating and melt polymerization. When the material temperature is 140~200 ℃, it is firstly converted into sodium acid pyrophosphate, when reheated to 260 ℃, it is converted into cyclic sodium metaphosphate. When reheated to 500 ℃, sodium trimetaphosphate is synthesized by polymerization. NaH2PO4 → Na2H2P2O7[260 ℃]→(NaPO3)n[500 ℃]→ Na3P3O9 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:15:17
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View History
SODIUM TRIMETAPHOSPHATE
3-溴-2-氰基-5-氟基吡啶
N-[4-[2-(2-氨基-4,7-二氢-4-氧代-1H-吡咯并[2,3-d]嘧啶-5-基)乙基]苯甲酰基]-L-谷氨酸
MC基础培养基
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2-[2-[(2-甲基丙-2-基)氧基羰基氨基]乙酰氨基]乙酸
Citronellol senecionate
1-苄基-3-氨基吡咯烷-3-甲酸甲酯
2-双(4-羟基环己基)丙烷(异构体的混和物)
3-溴-2-氰基-5-氟基吡啶
N-[4-[2-(2-氨基-4,7-二氢-4-氧代-1H-吡咯并[2,3-d]嘧啶-5-基)乙基]苯甲酰基]-L-谷氨酸
MC基础培养基
1-苯基-3-三甲基硅烷-2-丙炔-1-醇
4-[2-(DIMETHYLAMINO)ETHOXY]BENZYLAMINE
2-[2-[(2-甲基丙-2-基)氧基羰基氨基]乙酰氨基]乙酸
Citronellol senecionate
1-苄基-3-氨基吡咯烷-3-甲酸甲酯
2-双(4-羟基环己基)丙烷(异构体的混和物)