Xylene (mixture of isomers) ≥99.5% (by GC) semiconductor grade

Supplier: Thermo Scientific Chemicals
Warning

Synonyms: Dimethylbenzene

019402-M1 19402-K7 19402-K2 19402-M1 19402-K2 19402-K7
CAAA19402-K7EA 289.14 CAD
AA19402-K7 CAAA19402-K7 75800-216 CA75800-318 AA19402-K2 CAAA19402-K2
Xylene (mixture of isomers) ≥99.5% (by GC) semiconductor grade
Xylene (mixture of isomers)

Contains a mixture of the ortho, meta, and para isomers of xylene. Also contain ethylbenzene incompatible with strong oxidizing agents.

Formula: C₆H₄(CH₃)₂
MW: 106.17 g/mol
Boiling Pt: 137…144 °C
Melting Pt: <–25 °C
Density: 0.860
Flash Pt: 29 °C (84 °F)
MDL Number: MFCD00077264
CAS Number: 1330-20-7
UN: 1307
ADR: 3,III
Merck Index: 14,10081
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Specification Test Results

Appearance (Color) Colorless
Form Liquid
Assay (GC), (Sum of Isomers+Ethylbenzene+Toluene) ≥99.5%
Chloride content Max. 3 ppm
Color (APHA) Max. 10
Free Acid (Titration) Max. 0.0003 meq/g
Impurity Content, B Max. 20 ppb
Impurity Content, Phosphate Max. 0.5 ppm
Impurity Content, Si Max. 200 ppb
Water Content (Karl Fischer Titration) Max. 0.02%
Total Metal Impurities <1 ppm
Heavy Metals (as Pb) Max. 1000 ppb
Particle Size (Particle Count at Point of fill) 1 micron and greater: Max. 10 particles/ml
Residue on Evaporation Max. 5 ppm
Trace Metal Max. 100 ppb (each of: Sn, Na, K, Ge, Pb)
Trace Metal Max. 10 ppb, each of: As, Sb, Cu, Ni
Trace Metal Max. 20 ppb, each of: Sr, Mn, Mg, Co, Cd, Ba
Trace Metal Max. 50 ppb, each of: Al, Ca, Cr, Ga, Fe, Li, Ag

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