Merck 100804 0250 Tartaric Acid Gr For Analysis Emsure 250 GR.

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Description
Catalogue Number	100804
Replaces	TX0010-1; TX0010
Synonyms	2,3-Dihydroxybutanedioic acid
Description	L(+)-Tartaric acid

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Product Information
CAS number	87-69-4
EC number	201-766-0
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	C₄H₆O₆
Chemical formula	HOOCCH(OH)CH(OH)COOH
Molar Mass	150.09 g/mol
HS Code	2918 12 00
Structure formula Image
Quality Level	MQ300

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Physicochemical Information
Density	1.76 g/cm3 (20 °C)
Flash point	150 °C
Ignition temperature	425 °C
Melting Point	170 - 172 °C
pH value	1.6 (100 g/l, H₂O, 25 °C)
Vapor pressure	<0.05 hPa (20 °C)
Bulk density	1000 kg/m3
Solubility	1390 g/l

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Safety Information according to GHS
Hazard Pictogram(s)	\n
Hazard Statement(s)	H318: Causes serious eye damage.
Precautionary Statement(s)	P280: Wear eye protection/ face protection.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
RTECS	WW7875000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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Safety Information
Categories of danger	irritant

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

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Specifications
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
Total sulfur (as SO₄)	≤ 20 ppm
Ca (Calcium)	≤ 20 ppm
Cu (Copper)	≤ 5 ppm
Fe (Iron)	≤ 5 ppm
Pb (Lead)	≤ 5 ppm
Heavy metals (as Pb)	≤ 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