磷酸盐缓冲液

Description

phosphate buffer · CAS 10049-21-5 · H4NaO5P. UNII 593YOG76RN.

Identification

CAS Registry Number	10049-21-5
PubChem CID	516949
Molecular formula	H4NaO5P
IUPAC name	sodium;dihydrogen phosphate;hydrate
UNII (FDA)	593YOG76RN

Computed Descriptors

Molecular Weight	137.99
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	0
Exact Mass	137.96940450
Monoisotopic Mass	137.96940450
Topological Polar Surface Area	81.6
Heavy Atom Count	7
Formal Charge	0
Complexity	61.9

Physical description & handling notes

• Dry Powder
• White odorless solid; Slightly deliquescent; [Merck Index] White hygroscopic crystals; [Sigma-Aldrich MSDS]

Regulatory Status

GHS notification summary	76.9% (40 / 52)

GHS Hazard Classification

GHS notification summary	76.9% (40 / 52)
Reported hazard statements	H315 (21.2%), H319 (21.2%), H335 (21.2%)

Documented Uses

• Used in baking powders, boiler water, foods (acidulant and sequestrant), and as a veterinary urinary acidifier; [Merck Index]
• Not Known or Reasonably Ascertainable
• Information on 1 consumer products that contain Sodium phosphate monobasic monohydrate in the following categories is provided:
• All Other Chemical Product and Preparation Manufacturing

Synonyms

Sodium phosphate monobasic monohydrate; Sodium dihydrogen phosphate monohydrate; Monosodium phosphate monohydrate; Sodium phosphate monohydrate; Phosphoric acid, monosodium salt, monohydrate; SODIUM PHOSPHATE, MONOBASIC, MONOHYDRATE; sodium dihydrogenphosphate monohydrate; 593YOG76RN; DTXSID6073994; CHEBI:114249; sodium dihydrogen phosphate--water (1/1); MONOBASIC SODIUM PHOSPHATE MONOHYDRATE; MONOBASIC SODIUM PHOSPHATE, MONOHYDRATE; SODIUM PHOSPHATE MONOBASIC, MONOHYDRATE; SODIUM PHOSPHATE MONOBASIC (MONOHYDRATE); SODIUM PHOSPHATE, MONOBASIC MONOHYDRATE [MI]

Frequently Asked Questions

What are the CAS number and molecular formula of phosphate buffer?

CAS 10049-21-5; molecular formula H4NaO5P; molecular weight — g/mol.

What other names is phosphate buffer known by?

Sodium phosphate monobasic monohydrate, Sodium dihydrogen phosphate monohydrate, Monosodium phosphate monohydrate, Sodium phosphate monohydrate, Phosphoric acid, monosodium salt, monohydrate, SODIUM PHOSPHATE, MONOBASIC, MONOHYDRATE.

Is phosphate buffer classified as hazardous?

76.9% of GHS notifications report no hazard classification (40 of 52).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.