Product Information
CAS number	5949-29-1
EC number	201-069-1
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	C₆H₈O₇ * H₂O
Molar Mass	210.14 g/mol
HS Code	2918 14 00
Structure formula Image

Applications
Application	Citric acid monohydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur. CAS 5949-29-1, pH (50 g/l, H₂O, 25 °C).

Physicochemical Information
Density	1.54 g/cm3 (20 °C)
Flash point	173.9 °C Not applicable
Melting Point	135 - 152 °C
pH value	1.85 (50 g/l, H₂O, 25 °C)
Vapor pressure	<1 Pa (25 °C)
Bulk density	800 - 1000 kg/m3
Solubility	880 g/l

Toxicological Information
LD 50 oral	LD50 Rat 3000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H319: Causes serious eye irritation.
Precautionary Statement(s)	P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
RTECS	GE7810000
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 36 Irritating to eyes.
S Phrase	S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Storage and Shipping Information
Storage	Storage temperature: no restrictions.

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

Specifications
Assay (acidimetric, calc. on anhydrous substance)	99.5 - 100.5 %
Identity (IR-spectrum)	passes test
Appearance	white to almost white or colorless crystals
Appearance of solution (200 g/l; water)	clear (≤ 3 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇
In water insoluble matter	≤ 50 ppm
Chloride (Cl)	≤ 5 ppm
Phosphate (PO₄)	≤ 10 ppm
Sulphate (SO₄)	≤ 20 ppm
Heavy metals (as Pb)	≤ 5 ppm
Al (Aluminium)	≤ 0.2 ppm
As (Arsenic)	≤ 1 ppm
Hg (Mercury)	≤ 1 ppm
Cu (Copper)	≤ 5 ppm
Fe (Iron)	≤ 3 ppm
Fe (Iron, acc. to Reag. Ph Eur.)	suitable to use in the limit test for iron
Pb (Lead)	≤ 0.5 ppm
Oxalates (as C₂H₂O₄)	≤ 50 ppm
Readily carbonisable substance	passes test
Sulfated ash	≤ 200 ppm
Water (according to Karl Fischer)	7.5 - 8.8 %
Corresponds to ACS, ISO 6353/2, Reag. Ph. Eur.

Taksit Seçenekleri

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Bu ürüne benzer farklı alternatifler olmalı.

MERCK 100244 Citric acid monohydrate for analysis EMSURE ACS,ISO,Reag. Ph Eur. CAS 5949-29-1, pH (50 g/l, H₂O, 25 °C).

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