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Sodium metaphosphate(CAS No. 10124-56-8)

Sodium metaphosphate Na6O18P6 (cas 10124-56-8) Molecular Structure

10124-56-8 Structure

Identification and Related Records

【Name】
Sodium metaphosphate
【CAS Registry number】
10124-56-8
【Synonyms】
Metaphosphoric acid, hexasodium salt
Calgon
Calgon (old)
Calgon S
Graham's salt
Chemi-charl
HMP
Hexametaphosphate, sodium salt
Hexasodium hexametaphosphate
Hexasodium metaphosphate
Medi-Calgon
Metaphosphoric acid (H6P6O18), hexasodium salt
Natrium hexametaphosphat
Natrium hexametaphosphat [German]
Phosphate, sodium hexameta
SHMP
Sodium hexametaphosphate (Na6P6O18)
Sodium phosphate (Na6P6O18)
Sodium polymeta phosphate
Sodium hexametaphosphate
【EINECS(EC#)】
233-343-1
【Molecular Formula】
Na6O18P6 (Products with the same molecular formula)
【Molecular Weight】
611.77
【Inchi】
InChI=1/6Na.H6O18P6/c;;;;;;1-19(2)13-20(3,4)15-22(7,8)17-24(11,12)18-23(9,10)16-21(5,6)14-19/h;;;;;;(H,1,2)(H,3,4)(H,5,6)(H,7,8)(H,9,10)(H,11,12)/q6*+1;/p-6
【Canonical SMILES】
[O-]P1(=O)OP(=O)(OP(=O)(OP(=O)(OP(=O)(OP(=O)(O1)[O-])[O-])[O-])[O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+]
【MOL File】
10124-56-8.mol

Chemical and Physical Properties

【Appearance】
white granular solid
【Density】
2.181
【Melting Point】
616 °C
【Refractive Index】
1.482
【Stability】
Stable. Keep dry.
【Storage temp】
Store in a cool, dry place. Store in a tightly closed container.
【Computed Properties】
Molecular Weight:611.770386 [g/mol]
Molecular Formula:Na6O18P6
H-Bond Donor:0
H-Bond Acceptor:18
Rotatable Bond Count:0
Exact Mass:611.68965
MonoIsotopic Mass:611.68965
Topological Polar Surface Area:296
Heavy Atom Count:30
Formal Charge:0
Complexity:513
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:7

Safety and Handling

【Safety Statements 】
S24/25
【Safety】

Poison by intravenous route. Moderately toxic by intraperitoneal and subcutaneous routes. Mildly toxic by ingestion. When heated to decomposition it emits toxic fumes of POx and Na2O. See also PHOSPHATES.
Safety Statements: 24/25
S24/25:Avoid contact with skin and eyes.

【Skin, Eye, and Respiratory Irritations】
EYE CONTACT WITH CONCENTRATED ALKALI CAUSES CONJUNCTIVAL EDEMA & CORNEAL DESTRUCTION. A. ALKALIES PENETRATE SKIN SLOWLY. EXTENT OF DAMAGE THEREFORE DEPENDS ON DURATION OF CONTACT. B. CHRONIC POISONING (FROM SKIN CONTACT). CHRONIC DERMATITIS MAY FOLLOW REPEATED CONTACT ... . /ALKALIES/
【Formulations/Preparations】
Sodium hexametaphosphate detergents, calgon, giltex, quadrafos, hagan phosphate, micromet: mixtures containing Graham's salt as principal agent. Supplied in form of powder, flakes, & small, broken, glass-like particles.
... SEVERAL SODIUM HEXAMETAPHOSPHATE PREPN LABELED "REAGENT GRADE"... ARE TYPICAL COMMERCIAL MIXTURES OF VARYING CHAIN LENGTHS ... IT IS, THEREFORE, INCORRECT TO DESIGNATE THEM AS CHEMICALLY PURE OR REAGENT-GRADE ... .
Has molecular ratio of 1.1 Na2O:1 P2O5 with guaranteed min of 67% P2O5. Several specialized compositions are available. /Calgon/
/Vitreous sodium phosphate (sodium hexametaphosphate) found in/ Calgon; Calgon Bath Oil Beads; Calgon Bouquet; and Calgon Bubble Bath.
【Exposure Standards and Regulations】
Sodium hexametaphosphate used as a sequestrant in food for human consumption is generally recognized as safe when used in accordance with good manufacturing practice.
Sodium hexametaphosphate used as a sequestrant in animal drugs, feeds, and related products is generally recognized as safe when used in accordance with good manufacturing or feeding practice.
【Protective Equipment and Clothing】
EYE CONTACT WITH CONCENTRATED ALKALI CAUSES CONJUNCTIVAL EDEMA & CORNEAL DESTRUCTION. A. ALKALIES PENETRATE SKIN SLOWLY. EXTENT OF DAMAGE THEREFORE DEPENDS ON DURATION OF CONTACT. B. CHRONIC POISONING (FROM SKIN CONTACT). CHRONIC DERMATITIS MAY FOLLOW REPEATED CONTACT ... . /ALKALIES/
【Specification】

?Sodium hexametaphosphate , its cas register number is 10124-56-8. It also can be called?Graham's salt ; Metaphosphoric acid, hexasodium salt ; Sodium polymetaphosphate ; Calgon ; Calgon (old) ; Calgon S ; Caswell No. 772 ; Chemi-charl ; EPA Pesticide Chemical Code 076402 ; FEMA 3027 ; Graham's salt ; HMP ; HSDB 5053 ; Hexametaphosphate, sodium salt ; Hexasodium hexametaphosphate ; Hexasodium metaphosphate ; Medi-Calgon ; Metaphosphoric acid (H6P6O18), hexasodium salt ; Metaphosphoric acid, hexasodium salt ; Natrium hexametaphosphat ; Natrium hexametaphosphat [German] ; Phosphate, sodium hexameta ; Polyphos ; SHMP ;?Sodium hexametaphosphate (Na6P6O18) ; Sodium phosphate (Na6P6O18) ; Sodium phosphate, tribasic ; Sodium polymeta phosphate ; Metaphosphoric acid (H6P6O18), hexasodium salt ; Metaphosphoric acid (H6P6O18), sodium salt (1:6) ; Metaphosphoric acid, hexasodium salt ; Sodium metaphosphate ; Sodium phosphate, tribasic . It is a?white granular solid.?It hydrolyzes in aqueous solution, particularly under acidic conditions, to sodium trimetaphosphate and sodium orthophosphate .

【Report】

Reported in EPA TSCA Inventory.

【Disposal Methods】
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Use and Manufacturing

【Use and Manufacturing】
Methods of Manufacturing

By rapidly chilling molten sodium meta-phosphate.
U.S. Production

(1976) 6.36X10+7 G-MIN CONSUMPTION IN FOODS.
Consumption Patterns

Building and water treatment, 60%; Food processing, 15%; Misc & Exports, 25% (1979).
【Usage】

Improves efficiency of the developing process in photographic work.

【Sampling Procedures】
NIOSH Method 7300. Analyte: Sodium. Matrix: Air. Sampler: Filter (0.8 um, cellulose ester membrane). Flow Rate: 1 to 4 l/min. Sample size: 13-2000 liters. Shipment: Routine. Sample Stability: Stable. /Sodium/

Biomedical Effects and Toxicity

【Biomedical Effects and Toxicity】
... 10-40% OF PHOSPHORUS IN SODIUM HEXAMETAPHOSPHATE ... IS ABSORBED IN INTESTINAL TRACT. BALANCE OF THE PHOSPHORUS IS ELIMINATED IN THE FECES.

Supplier Location

Top Suppliers

Diamond member Hubei XinRunde Chemical Co., Ltd
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