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L-Tartaric acid

L-Tartaric acid

CAS Number: 133-37-9

Molecular Formula: C4H6O6

About L-Tartaric acid

(2R,3R)-Tartaric acid (CAS 87-69-4) is an essential chiral building block widely utilized as high purity fine chemicals in the United States for pharmaceutical resolution, acidulant applications in food and beverage formulations, and as a key intermediate in organic synthesis. Natural L-tartaric acid has seen growing d...

Synonyms

  • (R*,R*)-(+-)-2,3-dihydroxybutanedioic acid, monoammonium monosodium salt
  • aluminum tartrate
  • ammonium tartrate
  • calcium tartrate
  • calcium tartrate tetrahydrate
View all

L-Tartaric acid Specifications

CAS Number
133-37-9
Molecular Formula
C4H6O6
IUPAC Name
(2R,3R)-2,3-dihydroxybutanedioic acid
Canonical SMILES
C(C(C(=O)O)O)(C(=O)O)O
InChI Key
FEWJPZIEWOKRBE-JCYAYHJZSA-N
InChI
InChI=1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1
HSN No
29181200
melting_point
Between 168 °C and 170 °C
solubility
582 mg/mL at 20 °C
density
Relative density (water = 1): 1.79
logP
-0.76 (calculated)

Food and Beverage Industry

An acidulant, flavor enhancer, and natural preservative used in wines, soft drinks, candies, and baked goods

Pharmaceutical Industry

An excipient used in effervescent tablet formulations, pH buffering, and active pharmaceutical ingredient synthesis

Construction Industry

A set retarder used in gypsum and cement-based materials to delay hardening and improve workability

Chemical Industry

A chiral resolving agent and chelating agent used in organic synthesis, metal cleaning, and electroplating processes

  1. (R*,R*)-(+-)-2,3-dihydroxybutanedioic acid, monoammonium monosodium salt
  2. aluminum tartrate
  3. ammonium tartrate
  4. calcium tartrate
  5. calcium tartrate tetrahydrate

L-Tartaric acid FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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