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534056

Xylenes

histological grade

Synonym(s):

Xylene mixture of isomers

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About This Item

Linear Formula:
C6H4(CH3)2
CAS Number:
1330-20-7
Molecular Weight:
106.17
NACRES:
NA.21
PubChem Substance ID:
329757880
UNSPSC Code:
12352002
MDL number:
MFCD00077264
Assay:
≥75.0% (xylenes isomers)
Bp:
137-140 °C (lit.)
Vapor pressure:
18 mmHg ( 37.7 °C)
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vapor density

3.7 (vs air)

Quality Segment

100

vapor pressure

18 mmHg ( 37.7 °C)

assay

≥75.0% (xylenes isomers)

expl. lim.

7 %

impurities

≤0.05% (water), ≤25% ethylbenzene

evapn. residue

<0.002%

refractive index

n20/D 1.497 (lit.)

bp

137-140 °C (lit.)

mp

-34 °C

density

0.86 g/mL at 25 °C (lit.)

application(s)

histology

storage temp.

room temp

SMILES string

Cc1ccc(C)cc1.Cc2cccc(C)c2.Cc3ccccc3C

InChI

1S/3C8H10/c1-7-3-5-8(2)6-4-7;1-7-4-3-5-8(2)6-7;1-7-5-3-4-6-8(7)2/h3*3-6H,1-2H3

InChI key

MVZVDAGWAAZJPE-UHFFFAOYSA-N

General description

Xylenes are an isomeric mixture of aromatic hydrocarbons namely, o-xylene, m-xylene, and p-xylene. It is used as a solvent in the pharmaceutical, printing, rubber, cleaning agent, paint thinner, varnish, synthetic fiber, and leather industries.

Application

Xylenes (histological grade) can be used as a clearing agent in routine histology and cytology applications to remove paraffin from tissue section slides before staining.
It can be used in:      
  • Cresyl violet staining.     
  • Fluoro-Jade B staining process.      
  • Giemsa cell staining protocols.

Packaging

20 L in steel drum


500 mL in glass bottle


534056-4L , 4×4 L in glass bottle

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Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system,Liver,Kidney, hearing organs, Respiratory system

Storage Class

3 - Flammable liquids

flash_point_f

77.0 °F - closed cup

flash_point_c

25 °C - closed cup

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