H2NaO4P
119.977 g/mol
Industrial ChemicalWarning
Monosodium phosphate
CAS7558-80-7EC231-449-2
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
pH buffer and cleaning agent
Monosodium phosphate is an inorganic compound consisting of sodium cations and dihydrogen phosphate anions. It is commonly used in industrial applications as a pH buffer and cleaning agent.
pH buffercleaning agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing Monosodium phosphate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
StrongSame Parent
Monobasic ammonium phosphate
CAS7722-76-1
Fertilizer ingredient
StrongSame Parent
Monocalcium phosphate
CAS7758-23-8
Leavening agent and mineral supplement
StrongSame Parent
Monobasic potassium phosphate
CAS7778-77-0
buffer and sequestrant
StrongSame Parent
Sodium dihydrogen phosphate
CAS89140-32-9
pH buffer and food additive
ReferenceSame Category
1,1,1,3,4,4,4-Heptafluoro-3-(trifluoromethyl)butan-2-one
CAS756-12-7
Fire suppression agent intermediate
ReferenceSame Category
Pentaerythrityl tetrakis(3-mercaptopropionate)
CAS7575-23-7
Crosslinking agent for polymers
ReferenceSame Category
N,N-Dimethylpropionamide
CAS758-96-3
Industrial solvent and intermediate
ReferenceSame Category
Lithium hydride
CAS7580-67-8
Reducing agent and desiccant
Safety Reference
Warning
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Monosodium phosphate (CAS 7558-80-7) is 2835.22.
HS code (international, 6-digit)
2835.22
EU CN code (8-digit)
2835 22 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium dihydrogen phosphate
InChIKey
AJPJDKMHJJGVTQ-UHFFFAOYSA-M
SMILES
OP(=O)(O)[O-].[Na+]
Synonyms (59)
- E339
- Sodium phosphate monobasic, USP grade
- Sodium phosphate monobasic, USP, 98.0-103.0%
- Sodium phosphate monobasic, meets USP testing specifications, anhydrous
- Sodium phosphate, monobasic (USP)
- Acid sodium phosphate
- E-339(I)
- INS NO.339(I)
- Ionosol B
- Ionosol Mb
- Ionosol T
- Monobasic sodium phosphate
- Monosodium hydrogen phosphate
- Monosodium monophosphate
- Monosodium orthophosphate
- Monosodium phosphate
- Monosorb XP-4
- Phosphoric acid, sodium salt
- Primary sodium phosphate
- SODIUM DIHYDROGEN PHOSPHATE
- Sodium acid phosphate
- Sodium biphosphate anhydrous
- Sodium phosphate (Na(H2PO4))
- Sodium phosphate, monobasic
- Sodium primary phosphate
- natriumdihydrogen-phosphate
- sodium dihydrogenphoshate
- sodium dihydrogenphospate
- sodium dihydrogenphosphat
Sourcing Monosodium phosphate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.