Xylene CAS#1330-20-7

CAS Number: 1330-20-7
Chemical Formula: C8H10
Synonyms:

Appearance: Transperant Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

As one of the most common chemicals used in industry, Xylene it is commonly found in ink, rubber, varnishes, adhesives, jet fuel, gasoline, pesticides, perfumes, pharmaceuticals, and elsewhere. It can be used as a solvent and cleaner for acrylic antiquing sealers on concrete, a paint thinner, and a transfer agent for printed materials, among many other uses.
In histology, it is used as a clearing agent to prepare samples for coverslipping, as well as tissue processing and staining. As a wax solvent, it can remove paraffin from slides prior to use.
Paraxylene, one of its isomers, is also used as a precursor to terephthalic acid and dimethyl terephthalate, both important raw materials for the production of polyethylene terephthalate (PET), a type of plastic commonly used for bottles and other packaging. Various isomers of xylene are also used as a precursors for polyester fabric, tear gas, and other chemicals.

Xylene Chemical Properties

Melting point	-34 °C
Boiling point	137-140 °C (lit.)
density	0.86 g/mL at 25 °C (lit.)
vapor density	3.7 (vs air)
vapor pressure	18 mm Hg ( 37.7 °C)
refractive index	n20/D 1.497(lit.)
Fp	77 °F(lit.)
storage temp.	Flammables area
solubility	Chloroform (Soluble), Methanol (Slightly)
form	Liquid
color	APHA: ≤10
Odor	char. sweet odor
explosive limit	7%
Water Solubility	<0.1 g/L (20 ºC)
Merck	14,10081
BRN	1901563
Exposure limits	ACGIH: TWA 100 ppm; STEL 150 ppm OSHA: TWA 100 ppm(435 mg/m3)
Dielectric constant	10.0（Ambient）
Stability:	Volatile, flammable and its vapors form explosive mixtures with air at room temperature.
Cosmetics Ingredients Functions	SOLVENT FRAGRANCE PERFUMING
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
InChIKey	KAKOUNRRKSHVJO-UHFFFAOYSA-N
SMILES	Cc1ccc(C)cc1.Cc2cccc(C)c2.Cc3ccccc3C
LogP	3.16 at 20℃
CAS DataBase Reference	1330-20-7(CAS DataBase Reference)
IARC	3 (Vol. 47, 71) 1999
EPA Substance Registry System	Xylene (1330-20-7)
ECETOC JACC REPORT	Xylene (1330-20-7)

Safety Information

Hazard Codes	Xn,F
Risk Statements	10-20/21-38-36/38-65-48/20
Safety Statements	25-36/37-62
OEB	A
OEL	TWA: 100.0 ppm; 435.0 mg/m3, STEL: 150.0 ppm; 655.0 mg/m3
RIDADR	UN 1307 3/PG 3
WGK Germany	2
RTECS	ZE2100000
Autoignition Temperature	867 °F
TSCA	TSCA listed
HazardClass	3
PackingGroup	II
HS Code	29024400
Storage Class	3 - Flammable liquids
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 Inhalation STOT SE 3
Hazardous Substances Data	1330-20-7(Hazardous Substances Data)
Toxicity	LD50 oral in rat: 4300mg/kgb

Product Application of Xylene CAS#1330-20-7

Xylene is used as a chemical feedstock in the chemical industry. Xylenes can undergooxidation where the side methyl groups are oxidized to give a carboxyl group (COOH)yielding a carboxylic acid. The particular acid produced depends on the isomer oxidized. Wheno-xylene is oxidized phthalic acid is produced, and when p-xylene is oxidized terephthalic acidresults. Terephthalic acid is one of the main feedstocks in making polyesters.Terephthalic acid reacts with ethylene glycol to form the ester polyethylene terephthalate(PET). PET is one of the most common plastics used as food and beverage containers. PETcontainers contain the recycling symbol with a number 1. PET is marketed using a numberof commercial names; the most generic of these is polyester. It is also the material known asDacron. Mylar is PET in the form of thin films. Although all three isomers of xylene are usedas chemical feedstocks, the greatest demand is for para-xylene to produce terephthalic acid.The smallest demand is for meta-xylene. Approximately 30 million tons of xylenes are usedannually worldwide.

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