Sodium dihydrogen phosphate dihydrate is a hydrated salt form of monosodium phosphate, commonly used as a food additive and sequestrant. It serves as a dry acidulant and sequestrant in food production and is also utilized in boiler water treatment and as a urinary acidifier in human and veterinary medicine.
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.
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Monosodium phosphate
pH buffer and cleaning agent
Monobasic ammonium phosphate
Fertilizer ingredient
Monocalcium phosphate
Leavening agent and mineral supplement
Monobasic potassium phosphate
buffer and sequestrant
Cupric glycinate
dietary mineral supplement
Calcium 3-hydroxy-3-methyl-butyrate
Dietary supplement for muscle health
Calcium pantothenate
Vitamin B5 dietary supplement
Sodium propionate
food preservative and mold preventative
The international HS code for Sodium dihydrogen phosphate dihydrate (CAS 13472-35-0) is 2835.22.
2835.22
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.
sodium;dihydrogen phosphate;dihydrate
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O.O.OP(=O)(O)[O-].[Na+]
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