MERCK 108684.2500 P-Xylene Emsure CAS No.106-42-3

Key Spec Table

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
106-42-3	203-396-5	C₈H₁₀	C₆H₄-1,4-(CH₃)₂	106.17 g/mol	ISO

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Description
Catalogue Number	108684
Synonyms	1,4-Dimethylbenzene
Description	p-Xylene
Overview	EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Product Information
CAS number	106-42-3
EC index number	601-022-00-9
EC number	203-396-5
Grade	ISO
Hill Formula	C₈H₁₀
Chemical formula	C₆H₄-1,4-(CH₃)₂
Molar Mass	106.17 g/mol
HS Code	2902 43 00
Structure formula Image
Quality Level	MQ300

Physicochemical Information
Boiling point	138.4 °C (1013 hPa)
Density	0.86 g/cm3 (20 °C)
Explosion limit	1.1 - 7 %(V)
Flash point	27 °C
Ignition temperature	540 °C
Melting Point	13.25 °C
Vapor pressure	124.1 hPa (2.6 °C)
Solubility	0.2 g/l

Toxicological Information
LD 50 oral	LD50 Rat 3910 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H226: Flammable liquid and vapour.H304: May be fatal if swallowed and enters airways.H312 + H332: Harmful in contact with skin or if inhaled.H315: Causes skin irritation.H319: Causes serious eye irritation.H335: May cause respiratory irritation.H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.P273: Avoid release to the environment.P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor.P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.P331: Do NOT induce vomiting.
Signal Word	Danger
RTECS	ZE2625000
Storage class	3 Flammable liquids
WGK	WGK 2 obviously hazardous to water
Disposal	1Strongly contaminated halogen-free organic solvents: container A.

Safety Information
Categories of danger	flammable, harmful, irritant

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1307, 3, III
Declaration (transport by air) IATA-DGR	UN 1307, 3, III
Declaration (transport by sea) IMDG-Code	UN 1307, 3, III

Specifications
p-Xylene (GC)	≥ 99.0 %
Identity (IR)	conforms
Appearance	clear
Color	≤ 10 Hazen
Acidity	≤ 0.00025 meq/g
Alkalinity	≤ 0.00025 meq/g
Density (d 20 °C/20 °C)	0.862 - 0.869
Refractive index (n 20/D)	1.495 - 1.499
Boiling range (137-142°C)	≥ 95 % (v/v)
Benzene (GC)	≤ 0.1 %
Ethylbenzene (GC)	≤ 3 %
Toluene (GC)	≤ 0.1 %
Sulfur compounds (as S)	≤ 0.003 %
Readily carbonizable substances	conforms
Thiophene	conforms
Al (Aluminium)	≤ 0.00005 %
B (Boron)	≤ 0.000002 %
Ba (Barium)	≤ 0.00001 %
Ca (Calcium)	≤ 0.00005 %
Cd (Cadmium)	≤ 0.000005 %
Co (Cobalt)	≤ 0.000002 %
Cr (Chromium)	≤ 0.000002 %
Cu (Copper)	≤ 0.000002 %
Fe (Iron)	≤ 0.00001 %
Mg (Magnesium)	≤ 0.00001 %
Mn (Manganese)	≤ 0.000002 %
Ni (Nickel)	≤ 0.000002 %
Pb (Lead)	≤ 0.00001 %
Sn (Tin)	≤ 0.00001 %
Zn (Zinc)	≤ 0.00001 %
Evaporation residue	≤ 0.001 %
Water	≤ 0.01 %
ISO-reagent