1,4-Dioxane manufacturers and suppliers

1,4-Dioxane suppliers

Properties

Melting point:: 12 °C

Boiling point:: 101 °C

Density: 1.034 g/mL at 25 °C(lit.)

vapor density: 3 (vs air)

vapor pressure: 27 mm Hg ( 20 °C)

refractive index: n20/D 1.422(lit.)

Flash point:: 54 °F

storage temp.: room temp

solubility: Soluble in acetone, alcohol, benzene, and ether (Weast, 1986). Miscible with most organic solvents (Huntress and Mulliken, 1941) including 2-methylpropanol, toluene, cychexanone, and cyclopentanone.

form: Solution

color: APHA: ≤20

Odor: Mild ether-like odor detectable at 0.8 to 172 ppm (mean = 12 ppm)

PH: 6-8 (500g/l, H2O, 20℃)

explosive limit: 1.7-25.2%(V)

Water Solubility: SOLUBLE

Thermal Conductivity: 0.162 W/(m·K) at 25 ℃

Specific Heat Capacity: Cp(liquid): 1.73 J/(g·K), at 25℃

λmax: λ: 220 nm Amax: ≤0.70
λ: 235 nm Amax: ≤0.50
λ: 250 nm Amax: ≤0.20
λ: 270 nm Amax: ≤0.10
λ: 295-400 nm Amax: ≤0.01

Sensitive: Hygroscopic

Merck: 14,3300

BRN: 102551

Henry's Law Constant: 4.89(x 10^-6 atmm³/mol) (static headspace-GC, Welke et al., 1998)

Dielectric constant: 2.2(25℃)

Exposure limits: ACGIH TLV-TWA:25 ppm (≈90 mg/m3)
OSHA PEL-TWA:100 ppm (360 mg/m³)
NIOSH REL-Ceiling:1 ppm [30-min]

Stability:: Stable. Incompatible with oxidizing agents, oxygen, halogens, reducing agents, moisture. Highly flammable - note wide explosive range. May form explosive peroxides in storage (rate of formation increased by heating, evaporation or exposure to light).

InChI: 1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2

InChIKey: RYHBNJHYFVUHQT-UHFFFAOYSA-N

SMILES: C1COCCO1

LogP: -0.42 at 20℃

Surface tension: 32.71mN/m at 293.15K

CAS DataBase Reference: 123-91-1(CAS DataBase Reference)

NIST Chemistry Reference: 1,4-Dioxane(123-91-1)

IARC: 2B (Vol. 11, Sup 7, 71) 1999

EPA Substance Registry System: 1,4-Dioxane (123-91-1)

ECETOC JACC REPORT: 1,4-Dioxane (123-91-1)

Safety Information

Symbol(GHS): GHS02,GHS07,GHS08

Signal word: Danger

Hazard statements: H332-H303-H315-H319-H370-H372-H373-H351-H335-H225

Precautionary statements: P501-P270-P202-P240-P260-P210-P233-P201-P243-P241-P242-P271-P264-P280-P370+P378-P337+P313-P305+P351+P338-P308+P311-P362+P364-P303+P361+P353-P332+P313-P304+P340+P312-P403+P233-P403+P235-P405

target organs: Respiratory system

Hazard Codes: Xn,F,T

Risk Statements: 45-46-11-36/38-48/23/24/25-65-66-40-36/37-19-41-37/38-39/23/24/25-23/24/25-48/20/22-38-22-36/37/38-10

Safety Statements: 9-16-36/37-46-45-53-7-62-26-24/25-23-S9-S46-S36/37-S16

OEL: Ceiling: 1 ppm (3.6 mg/m3) [30-minute]

RIDADR: UN 1165

WGK Germany: 3

RTECS: JG8225000

F: 8

Autoignition Temperature: 180 °C

TSCA: TSCA listed

HazardClass: 3

PackingGroup: II

HS Code: 29329990

Storage Class: 3 - Flammable liquids

Hazard Classifications: Carc. 1B
Eye Irrit. 2
Flam. Liq. 2
STOT SE 3

Hazardous Substances Data: 123-91-1(Hazardous Substances Data)

Toxicity: LD50 in mice, rats (ml/kg): 5.7, 5.2 orally (Laug)

IDLA: 500 ppm

REACH Registrations: Active

Limited Quantities: 1.0 L (0.3 gallon) (liquid)

Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

Use

Industrial applications of 1,4-dioxane are extensive, for instance, as solvent for cellulose acetate, ethyl cellulose, benzyl cellulose, resins, oils, waxes, and some dyes; as a solvent for paper, cotton, and textile processing; and for various organic and inorganic compounds and products. it is also used in automotive coolant liquid and in shampoos and other cosmetics as a degreasing agent and as a component of paint and varnish.

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