Merck 100366.2500 (S)-Lactic acid about 90% suitable

Ürün Özellikleri

Grade Value
Ph Eur,BP,E 270

Description
Catalogue Number	100366
Synonyms	2-Hydroxypropionic acid, Lactol

Product Information
Grade	Ph Eur,BP,E 270
HS Code	2918 11 00

Physicochemical Information
Boiling point	122 °C (20 hPa)
Density	1.21 g/cm3 (20 °C)
Melting Point	18 °C
pH value	2.8 (10 g/l, H₂O, 20 °C)
Vapor pressure	0.1 hPa (25 °C)
Solubility	(20 °C) soluble

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H315: Causes skin irritation. H318: Causes serious eye damage.
Precautionary Statement(s)	P280: Wear eye protection. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/ attention.
Signal Word	Danger
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Hazard Symbols	Irritant
Categories of danger	irritant
R Phrase	R 38-41 Irritating to skin.Risk of serious damage to eyes.
S Phrase	S 26-39 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.

Storage and Shipping Information
Storage	Store at +5°C to +30°C.

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)	88.0 – 92.0 %
Assay (stereochemical purity of (S)-lactic acid)	≥ 95.0 %
Identity (IR-spectrum)	passes test
Identity (pH)	passes test
Identity (Density)	passes test
Identity (Lactat)	passes test
Identity (assay)	passes test
Appearance	clear, oily liquid, not more intense in color than reference solution Y₆
Ether-insoluble substances	passes test
Citric, oxalic and Phosphoric acids	passes test
Density (d 20/20)	1.200 – 1.210
Chloride (Cl)	≤ 0.2 %
Sulphate (SO₄)	≤ 200 ppm
Heavy metals (as Pb)	≤ 10 ppm
As (Arsenic)	≤ 0.0003 %
Ca (Calcium)	≤ 200 ppm
Fe (Iron)	≤ 0.001 %
Hg (Mercury)	≤ 0.0001 %
Pb (Lead)	≤ 0.0005 %
Ethanol	≤ 5000 ppm
Acetic acid	≤ 5000 ppm
Methanol	≤ 50 ppm
Other residual solvents (ICH Q3C)	excluded by manufacturing process
Sugars and other reducing substances	passes test
Sulfated ash (600 °C)	≤ 0.10 %
Bacterial endotoxins	≤ 5 I.U./g
Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present.
Corresponds to Ph Eur,BP, E 270 Conforms to the purity criteria on food additives according to European Commission directive 2008/84/EC.

lactic acid laktik asit lacticacid lactic 2-Hydroxypropionic acid Lactol 2-Hydroxypropionic-acid

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