Description

Ammonium Hydrotartrate is the ammonium salt of tartaric acid, a key organic compound with versatile functionality. This product is valued for its role as a buffering agent and acidity regulator in high-purity applications. It is essential for manufacturers in the pharmaceutical, food additive, and fine chemical synthesis sectors who require consistent quality and reliable supply. The compound is identified by CAS NO 60131-38-6.

Application

• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and as a buffering agent in formulations.
• Food Additives (FCC Grade): Functions as an acidity regulator, stabilizer, and firming agent in food and beverage production.
• Analytical Chemistry: Serves as a reagent and standard in various laboratory analyses and titrations.
• Electroplating Solutions: Acts as a complexing agent and buffering component in specialized plating baths.
• Cosmetics and Personal Care: Utilized as a pH adjuster and skin conditioning agent in cosmetic formulations.
• Catalyst and Ligand Synthesis: Employed as a precursor or chiral auxiliary in the preparation of catalysts for asymmetric synthesis.

Basic Information

Product Name	Ammonium Hydrotartrate
CAS No.	60131-38-6
Molecular Formula	C4H9NO6
Molecular Weight	167.12 g/mol
Synonyms	Ammonium Bitartrate; Ammonium Hydrogen Tartrate; Monoammonium Tartrate; 2,3-Dihydroxybutanedioic acid, monoammonium salt; Tartaric Acid Monoammonium Salt; EINECS 262-063-6; L-(+)-Ammonium Hydrogen Tartrate; Ammonium L-Tartrate Monobasic
EINECS	262-063-6

Quality Control

Our Ammonium Hydrotartrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets specifications for purity, identity, and safety. We can supply material compliant with FCC (Food Chemicals Codex) and pharmaceutical-grade standards. A comprehensive Certificate of Analysis (COA) is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 99.0 %
pH (5% solution)	3.0 - 4.0
Loss on Drying	≤ 0.5 %
Residue on Ignition (Sulfated Ash)	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm
Optical Rotation [α]20/D	+28° to +30°

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