Description
Catalogue Number	104239
Description	GLUTARDIALDEHYDE SOLUTION 25% FOR ELECTR
Overview	Glutardialdehyde is a fixing agent for specimens destined for morphological and enzyme histochemical analysis. The 25% Glutardialdehyde solution is used for the fixation of specimen of human origin for semi-thin cuttings and electron microscopy. Alternatively, especially sensitive material used for enzyme histochemistry, will be fixed with glutardialdehyde acc. to P.J. Anderson, purified and filled into ampoules under nitrogen. Sensitive enzymes e.g. endogenous peroxidase can often only be visualized in this way. It is an IVD registered product and CE certified, thus can be used for clinical diagnostic purposes.

Product Information
HS Code	2912 19 00
Structure formula Image

Physicochemical Information
Boiling point	100.5 °C (1013 hPa)
Density	1.06 g/cm3 (20 °C)
Melting Point	-6 °C
pH value	>3.0 (H₂O, 20 °C)
Vapor pressure	0.27 hPa (20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302 + H332: Harmful if swallowed or if inhaled. H314: Causes severe skin burns and eye damage. H317: May cause an allergic skin reaction. H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled. H335: May cause respiratory irritation. H410: Very toxic to aquatic life with long lasting effects. EUH071: Corrosive to the respiratory tract.
Precautionary Statement(s)	P273: Avoid release to the environment. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class	8A Combustible, corrosive hazardous materials
WGK	WGK 3 highly water endangering
Disposal	9 Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).

Safety Information
Hazard Symbols	Toxic
Categories of danger	toxic, corrosive, sensitizing, dangerous for the environment
R Phrase	R 22-23-34-42/43 Harmful if swallowed.Toxic by inhalation.Causes burns.May cause sensitisation by inhalation and skin contact.
S Phrase	S 23-26-36/37/39-45 Do not breathe vapour.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage and Shipping Information
Storage	Store at +2°C to +8°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1760 , 8, II
Declaration (transport by air) IATA-DGR	UN 1760 , 8, II
Declaration (transport by sea) IMDG-Code	UN 1760 , 8, II

Specifications
Assay (alkalimetric)	23.5 - 26.5 %
pH-value	≥ 3.0
Density (d 20 °C/ 4 °C)	1.060 - 1.065
Absorbance A (235 nm; 1:200 deluted with water; 1 cm)	≤ 0.3

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MERCK 104239 Glutardialdehyde solution 25% for electron microscopy

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