Description

Sodium Dihydrogen Citrate is the monosodium salt of citric acid, a versatile organic acid salt with excellent buffering and chelating properties. This compound is valued for its ability to regulate acidity, enhance flavor, and stabilize formulations across diverse industrial sectors. Key industries that rely on this product include food and beverage manufacturing, pharmaceutical production, and industrial cleaning applications.

Application

• Food & Beverage Industry: Used as an acidity regulator, flavor enhancer, and preservative in beverages, jams, and dairy products.
• Pharmaceuticals: Serves as an excipient in effervescent formulations, a buffering agent in tablets, and a stabilizing agent in syrups.
• Industrial Cleaning: Acts as a chelating agent and descaling component in eco-friendly cleaning products and detergents.
• Personal Care: Functions as a pH adjuster and preservative booster in cosmetics, skincare, and oral hygiene products.
• Water Treatment: Employed as a scale inhibitor and metal ion sequestrant in boiler and cooling water systems.
• Laboratory & Research: Used in the preparation of biological buffers and as a reagent in various analytical procedures.

Basic Information

Product Name	Sodium Dihydrogen Citrate
CAS No.	18996-35-5
Molecular Formula	C6H7NaO7
Molecular Weight	214.11 g/mol
Synonyms	Monosodium Citrate; Sodium Citrate Monobasic; Citric Acid Monosodium Salt; 1-Hydroxy-1,2,3-propanetricarboxylic Acid Monosodium Salt; E331(i); Sodium Dihydrogen 2-Hydroxypropane-1,2,3-tricarboxylate; Monohydrate (common form)
EINECS	242-734-6

Quality Control

Our Sodium Dihydrogen Citrate is manufactured under strict quality management systems. We offer grades compliant with relevant industry standards, including Food Chemical Codex (FCC) and pharmaceutical monographs where applicable. Every batch undergoes rigorous analytical testing to ensure identity, purity, and safety. Certificates of Analysis (COA) are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can lead to caking or degradation.

Specification

Item	Specification
Appearance	White or almost white crystalline powder
Identification (IR)	Conforms
Assay (on dried basis)	98.0% - 102.0%
pH (5% solution)	3.4 - 3.8
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Oxalates	Passes test

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.