Merck 100495.0500 Oxalic acid dihydrate

Ürün Özellikleri

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
6153-56-6	205-634-3	C₂H₂O₄ * 2 H₂O	(COOH)₂ * 2 H₂O	126.07 g/mol	ACS,ISO,Reag. Ph Eur

Description
Catalogue Number	100495
Synonyms	Ethanedioic acid

Product Information
CAS number	6153-56-6
EC index number	607-006-00-8
EC number	205-634-3
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	C₂H₂O₄ * 2 H₂O
Chemical formula	(COOH)₂ * 2 H₂O
Molar Mass	126.07 g/mol
HS Code	2917 11 00
Structure formula Image

Physicochemical Information
Boiling point	149 – 160 °C (1013 hPa) (decomposition)
Density	1.65 g/cm3 (20 °C)
Flash point	157 °C (decomposition)
Melting Point	101 °C
pH value	1 (10 g/l, H₂O, 20 °C)
Vapor pressure	21 hPa (50 °C)
Solubility	102 g/l (20 °C)

Toxicological Information
LD 50 oral	LD50 Rat 375 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302 + H312: Harmful if swallowed or in contact with skin
Precautionary Statement(s)	P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word	Warning
Storage class	8A Combustible, corrosive hazardous materials
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	Harmful
Categories of danger	harmful
R Phrase	R 21/22 Harmful in contact with skin and if swallowed.
S Phrase	S 24/25 Avoid contact with skin and eyes.

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 3261 , 8, III
Declaration (transport by air) IATA-DGR	UN 3261 , 8, III
Declaration (transport by sea) IMDG-Code	UN 3261 , 8, III, Segregation Group: 1 (Acids)

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Specifications
Assay (manganometric)	99,5 – 102,0 %
Insoluble matter	≤ 50 ppm
Chloride (Cl)	≤ 5 ppm
Sulphate (SO₄)	≤ 50 ppm
Total nitrogen (N)	≤ 10 ppm
Heavy metals (as Pb)	≤ 5 ppm
Ca (Calcium)	≤ 10 ppm
Fe (Iron)	≤ 2 ppm
Readily carbonisable substance	passes test
Residue on ignition (as sulphate)	≤ 100 ppm
Corresponds to ACS,ISO,Reag. Ph Eur

M100495.0500

1.00495.0500

1004950500

Analiz için oksalik asit dihidrat EMSURE® ACS, ISO, Reag. Ph Eur