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Sodium metaphosphate

CAS No.
10361-03-2
Chemical Name:
Sodium metaphosphate
Synonyms
GRAHAM'S SALT;Metaphosphoric acid sodium salt;ISMP;sporix;metafos;kurrol’ssalt;maddrellsalt;maddrell’ssalt;SODIUM M-PHOSPHATE;Sodium metaphosphate
CBNumber:
CB8715461
Molecular Formula:
NaO3P
Molecular Weight:
101.96
MDL Number:
MFCD00011490
MOL File:
10361-03-2.mol
Last updated:2026-05-20 15:44:38

Sodium metaphosphate Properties

Melting point 600 °C
Density 2.181
bulk density 1000kg/m3
storage temp. Store at +5°C to +30°C.
solubility 1000g/l
form solid
PH 5.7 (10g/l, H2O, 20℃)
Water Solubility 1000g/L
Cosmetics Ingredients Functions ANTICORROSIVE
BUFFERING
FRAGRANCE
ORAL CARE
CHELATING
InChI 1S/Na.HO3P/c;1-4(2)3/h;(H,1,2,3)/q+1;/p-1
InChIKey AQMNWCRSESPIJM-UHFFFAOYSA-M
SMILES [Na+].[P](=O)(=O)[O-]
CAS DataBase Reference 10361-03-2(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 532IUT7IRV
EPA Substance Registry System Metaphosphoric acid (HPO3), sodium salt (10361-03-2)
Cosmetics Info Sodium Metaphosphate
UNSPSC Code 12352302
NACRES NA.21

SAFETY

Risk and Safety Statements

WGK Germany  1
RTECS  OY3750000
TSCA  TSCA listed
HS Code  2835 39 00
Storage Class 13 - Non Combustible Solids
Hazardous Substances Data 10361-03-2(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 2000 mg/kg

Sodium metaphosphate price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.06529 Sodium polyphosphate (Graham′ssalt)EMPLURA? 10361-03-2 1kg $74 2026-04-30 Buy
Sigma-Aldrich 1.06529 Sodium polyphosphate (Graham′ssalt)EMPLURA? 10361-03-2 5kg $261 2026-04-30 Buy
Sigma-Aldrich 1.06529 Sodium polyphosphate (Graham′ssalt)EMPLURA? 10361-03-2 50kg $1920 2026-04-30 Buy
aablocks AA01KW6Y Sodium Metaphosphate 10361-03-2 100g $20 2026-05-30 Buy
aablocks AA01KW6Y Sodium Metaphosphate 10361-03-2 500g $70 2026-05-30 Buy
Product number Packaging Price Buy
1.06529 1kg $74 Buy
1.06529 5kg $261 Buy
1.06529 50kg $1920 Buy
AA01KW6Y 100g $20 Buy
AA01KW6Y 500g $70 Buy

Sodium metaphosphate Chemical Properties, Uses, Production

Uses

In dentifrices, polishing agents, abrasive detergents.

Uses

sodium metaphosphate can be used to adjust pH levels, thus acting as a buffer.

Definition

The value of n ranges from 3 to 10 (cyclic molecules) or may be a much larger number (polymers). Cyclic sodium metaphosphate, based on rings of alter- nating phosphorus and oxygen atoms, range from the trimetaphosphate (Na PO 3 ) 3 to at least the decametaphosphate. So-called sodium hexam- etaphosphate is probably a polymer where n is between 10 and 20 (“Calgon”).

Safety Profile

Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NazO and POx. See also PHOSPHATES.

10049-21-5
10361-03-2
Synthesis of Sodium metaphosphate from Sodium Phosphate Monobasic Monohydrate
Global Suppliers ( 145)
Supplier Tel Email Country ProdList Advantage
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
XI'AN KPC-CN BIOLOGICAL TECHNOLOGY CO.,LTD. 86-029-85456576 daisy_wang@vip.163.com China 292 55
Beijing HuaMeiHuLiBiological Chemical 010-56205725 waley188@sohu.com China 12323 58
Shanghai Macklin Biochemical Co.,Ltd. 15221275939 15221275939 shenlinxing@macklin.cn China 15775 55
Hubei Jusheng Technology Co.,Ltd 027-59599241 18871490274 1400878000@qq.com China 9506 58
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
VWR(Shanghai) Co., Ltd 400-821-8006 info_china@vwr.com China 3036 75

View Latest Price from Sodium metaphosphate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Sodium metaphosphate pictures 2025-06-27 Sodium metaphosphate
10361-03-2
1KG 99% 500000kg Hebei Chuanghai Biotechnology Co., Ltd
Sodium metaphosphate pictures 2025-06-20 Sodium metaphosphate
10361-03-2
$1.00 1kg 99% 20tons Hebei Yanxi Chemical Co., Ltd.
Sodium metaphosphate pictures 2025-04-26 Sodium metaphosphate
10361-03-2
1BAG ≥99.9% 100 Tons Yingke New Materials Co., Ltd
SODIUM HEXAMETAPHOSPHAT polymericsodiummetaphosphate sodiummetaphosphate[napo3] sodiumphosphate[napo3] sporix SODIUM M-PHOSPHATE SODIUM PHOSPHATE, PH 6.8 phosphate glass practical grade Sodium metaphosphate Phosphate glass, water insoluble Sodium hexametaphosphate, extra pure SODIUM POLYPHOSPHATE EXTRA PURE (GRAHAM' Metaphosphoric acid(HPO3), sodium salt (1:1) SODIUM HEXAMETAPHOSPHATE 98+% FOR ANALYTICAL PURPOSE Sodium polyphosphate EMPLURA (Graham"s salt) Sodium polyphosphate (Graham's salt) EMPLURA ISMP INSOLUBLE SODIUM METAPHOSPHATE kurrol’ssalt maddrell’ssalt maddrellsalt metafos metaphosphoricacid(hpo3),sodiumsalt metaphosphoricacid[hpo3],sodiumsalt metaphosphoricacid[hpo3],sodiumsalt,homopolymer poly(sodiummetaphosphate) SODIUM POLYPHOSPHAT (GRAHAM) 1 KG SODIUM POLYPHOSPHAT (GRAHAM) 5 KG SODIUM POLYPHOSPHAT (GRAHAM) 50 KG Sodium metaphosphate ISO 9001:2015 REACH Sodium polyphosphate, Graham' salt GRAHAM'S SALT Metaphosphoric acid sodium salt Sodium dipolyphosphate 10361-03-2 NaO3PH2O NaO3P NaPO3 Inorganics INORGANIC & ORGANIC CHEMICALS