Description
L(+)-Tartaric acid is a high-purity organic acid offered at a minimum assay of 99,5 % in p.a., ACS and ISO grades. It has the empirical formula C₄H₆O₆, CAS number 87-69-4 and a molar mass of 150,09 g/mol, with a density of 1,76 g/cm³. Further physical data include a flash point above 100 °C and a boiling point of 179,1 °C, supporting controlled laboratory handling. Laboratories employ L(+)-tartaric acid as an acidulant, complexing agent and reference material when preparing standards, buffers or titration media that demand consistent purity. The combined p.a., ACS and ISO specifications support method validation and routine quality control. EG number 201-766-0 aids substance identification in laboratory documentation. Compact plastic packaging facilitates weighing, storage and integration into acid-and-base reagent sets used for analysis.
This article is part of Analytical grade solvents (p.a.), in Solvents.
Key features
- Assay (acidim.): ≥99.5 %
- In H2O insoluble matter: ≤0.005 %
- Loss on drying (105 °C): ≤0.2 %
- Sulphated ash: ≤0.01 %
- Total sulphur (as SO4): ≤0.002 %
- Chloride (Cl): ≤0.0005 %
- Oxalate (C2O4): complies
- Oxalic acid (C2H2O4): ≤0.04 %
- Phosphate (PO4): ≤0.001 %
- Sulphate (SO4): ≤0.015 %
- CAS number: 87-69-4
- Pack sizes: 250 g, 1 kg, 25 kg
- EG nr.: 201-766-0
- Empirical formula: C₄H₆O₆
- Molar mass: 150,09 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
Danger
Hazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about L(+)-Tartaric acid, min. 99,5 %, p.a., ACS, ISO, 250 g, plastic
What is this article?
L(+)-Tartaric acid, min. 99,5 %, p.a., ACS, ISO, 250 g, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Analytical grade solvents (p.a.), inside Solvents, in Lab chemicals.
An analytical-grade solvent, often marked p.a., has impurity limits tight enough for classical analysis and for preparing reagents. It is not automatically low enough in UV absorbance for HPLC, and it is not dry enough for a water-sensitive reaction. The grade is the purchase.
A solvent dissolves. The grade says which impurities are low enough for the method. Analytical grade is the ordinary pure solvent. HPLC and LC-MS grades limit the absorbance and the ions that would become peaks or background. A dry solvent has had water removed. A deuterated solvent is for NMR, where the hydrogen signal would otherwise drown the sample. Technical grade is for cleaning and for synthesis that does not need a chromatogram. Identity is on PubChem. Names follow IUPAC. Hazards follow ECHA, the CLP Regulation and REACH.
Which category should I open next?
The category is Solvents. The sub-category is Analytical grade solvents (p.a.). The catalogue is Lab chemicals.
Shelves beside this one are HPLC & LC-MS grade solvents, Dry & deuterated solvents (NMR, synthesis), Technical & synthesis grade solvents and Green & alternative solvents.
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