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Description
Catalogue Number	100662
Synonyms	2,4-Hexadienic acid

Physicochemical Information
Boiling point	160 – 260 °C (1013 hPa) (decomposition)
Density	1.2 g/cm3 (20 °C)
Flash point	127 °C
Ignition temperature	>130 °C
Melting Point	135 – 137 °C
pH value	3.3 (1.6 g/l, H₂O, 20 °C)
Vapor pressure	0.01 hPa (20 °C)
Bulk density	650 kg/m3
Solubility	1.6 g/l

Toxicological Information
LD 50 oral	LD50 Rat 7360 mg/kg
LD 50 dermal	LD50 Rat > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H315: Causes skin irritation. H319: Causes serious eye irritation.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling. P280: Wear protective gloves/ eye protection/ face protection. P302 + P352: IF ON SKIN: Wash with plenty of 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. P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word	Warning
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
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
Categories of danger	irritant

Storage and Shipping Information
Storage	Store at +15°C to +25°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

Specifications
Assay (acidimetric, calc. on anhydrous substance)	99.0 – 101.0 %
Assay (HPLC, calc. on anhydrous substance)	98.0 – 102.0 %
Identity (IR)	passes test
Identity (wet chemistry)	passes test
Identity (Melting point)	passes test
Identity (Melting range)	passes test
Identity (UV/VIS-Spectroscopy)	passes test
Identity (UV/VIS-Spectroscopy) (ChP)	passes test
Appearance of solution (5 %; ethanol 96 %)	passes test
Clarity and color of solution (ChP)	passes test
Melting point	132 – 136 °C
Melting range (lower value)	≥ 133 °C
Melting range (upper value)	≤ 135 °C
Heavy metals (as Pb)	≤ 0.001 %
As (Arsenic)	≤ 0.0003 %
Cd (Cadmium)	≤ 0.001 %
Cu (Copper)	≤ 0.001 %
Hg (Mercury)	≤ 0.0001 %
Pb (Lead)	≤ 0.0002 %
Zn (Zinc)	≤ 0.001 %
Aldehydes (as Acetaldehyd)	≤ 0.15 %
Acetone	≤ 5000 ppm
Other residual solvents (ICH Q3C)	excluded by the manufacturing process
Thermal stability (105 °C)	No coloration
Water	≤ 0.5 %
Sulfated ash	≤ 0.1 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). Conforms to the purity criteria on food additives according to the current European Commission Regulation.
Corresponds to Ph Eur, BP, ChP, NF, FCC, E 200

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