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1.00804

Supelco

L(+)-Tartaric acid

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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Synonym(s):
L(+)-Tartaric acid, 2,3-Dihydroxybutanedioic acid
Linear Formula:
HOOCCH(OH)CH(OH)COOH
CAS Number:
Molecular Weight:
150.09
MDL number:
EC Index Number:
201-766-0

grade

ACS reagent

Quality Level

Agency

reag. ISO
reag. Ph. Eur.
suitable for EPA 200.7
suitable for EPA 200.8

vapor pressure

<5 Pa ( 20 °C)

product line

EMSURE®

Assay

≥99.5-101.0% dry basis (alkalimetric)

form

solid

autoignition temp.

425 °C

impurities

≤10 ppm Phosphate (PO4)
≤100 ppm Sulfated ash
≤20 ppm Total sulfur (as SO4)
≤350 ppm Oxalic acid
≤5 ppm Chloride (Cl)
≤50 ppm Insoluble matter
≤50 ppm Sulfate (SO4)

loss

≤ 0.2% loss on drying, 105°C

pH

1.6 (25 °C, 100 g/L in H2O)

mp

168-170 °C

transition temp

flash point 210 °C

solubility

water: 1390 g/L at 20 °C

density

1.76 g/cm3 at 20 °C

bulk density

1000 kg/m3

cation traces

Ca: ≤20 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
Pb: ≤5 ppm
heavy metals (as Pb): ≤5 ppm

storage temp.

2-30°C

InChI

1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)

InChI key

FEWJPZIEWOKRBE-UHFFFAOYSA-N

Related Categories

Linkage

Replaces: TX0010-1; TX0010

Analysis Note

Assay (alkalimetric): ≥ 99.5 %
Assay (alkalimetric, calculated on dried substance): 99.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 50 ppm
Spec. rotation [α²0/D (20 %; water calculated on dried substance): 12.0 - 12.8 °
Chloride (Cl): ≤ 5 ppm
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 50 ppm
Heavy metals (as Pb): ≤ 5 ppm
Total sulfur (as SO₄): ≤ 20 ppm
Ca (Calcium): ≤ 20 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Oxalate (C₂O₄): passes test
Oxalic acid: ≤ 350 ppm
Sulfated ash: ≤ 100 ppm
Loss on Drying (105°C): ≤ 0.2 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

302.0 °F - closed cup

Flash Point(C)

150 °C - closed cup


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