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251380

L-(+)-Tartaric acid

Name: <SC>L-</SC>(+)-Tartaric acid
Brand: SIAL

ACS reagent grade, ≥99.5%, crystals, crystalline powder

Synonym(s):

(2R,3R)-(+)-Tartaric acid, L-Threaric acid

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About This Item

Linear Formula:

HO₂CCH(OH)CH(OH)CO₂H

CAS Number:

87-69-4

Molecular Weight:

150.09

NACRES:

NA.21

PubChem Substance ID:

24855129

UNSPSC Code:

12352100

EC Number:

201-766-0

MDL number:

MFCD00064207

Beilstein/REAXYS Number:

1725147

Assay:

≥99.5%

Form:

crystalline powder, crystals

Grade:

ACS reagent

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Properties

Product Name

L-(+)-Tartaric acid, ACS reagent, ≥99.5%

grade

ACS reagent

Quality Level

200

agency

suitable for EPA 200.7, suitable for EPA 200.8

vapor density

5.18 (vs air)

assay

≥99.5%

form

crystalline powder, crystals

optical activity

[α]20/D +12.4°, c = 20 in H₂O

optical purity

ee: 99% (GLC)

autoignition temp.

797 °F

impurities

≤0.002% S compounds, ≤0.005% insolubles

ign. residue

≤0.02%

pH

1.6 (25 °C, 100 g/L)

mp

170-172 °C (lit.)

solubility

water: 1.390 g/L at 20 °C

anion traces

chloride (Cl^-): ≤0.001%, oxalate (C₂O₄^2-): passes test, phosphate (PO₄^3-): ≤0.001%

cation traces

Fe: ≤5 ppm, heavy metals: ≤5 ppm (by ICP-OES)

functional group

carboxylic acid, hydroxyl

SMILES string

O[C@H]([C@@H](O)C(O)=O)C(O)=O

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

InChI key

FEWJPZIEWOKRBE-JCYAYHJZSA-N

Description

Application

L-(+)-Tartaric acid may be used in the synthesis of (R,R)-1,2-diammoniumcyclohexane mono-(+)-tartrate, an intermediate to prepare an enantioselective epoxidation catalyst. It may also be used as a starting material in the multi-step synthesis of 1,4-di-O-benzyl-L-threitol. It can be used a chiral resolving agent for the resolution of 2,2′-bispyrrolidine.

Chiral building block for natural products. Also forms a Diels-Alder catalyst with TiCl₂(O-i-Pr)₂.

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pictograms

GHS05

signalword

Danger

hcodes

H318

pcodes

P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

302.0 °F - closed cup

flash_point_c

150 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Effects of Traditional Processing Techniques on the Nutritional and Microbiological Quality of Four Edible Insect Species Used for Food and Feed in East Africa.

Dorothy N Nyangena et al.

Foods (Basel, Switzerland), 9(5) (2020-05-08)

Edible insects are increasingly being considered as food and feed ingredients because of their rich nutrient content. Already, edible insect farming has taken-off in Africa, but quality and safety concerns call for simple, actionable hazard control mechanisms. We examined the

(R,R)-2,2'-bispyrrolidine and (S,S)-2,2'-bispyrrolidine: useful ligands for asymmetric synthesis

Denmark SE, et al.

Organic Syntheses, 83, 121-121 (2006)

1,4-Di-O-alkyl threitols from tartaric acid: 1,4-di-O-benzyl-L-threitol

Mash EA, et al.

Organic Syntheses, 68, 92-92 (1990)

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