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

PH：

6-8 (500g/l, H2O, 20℃)

Odor：

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

explosive limit：

1.7-25.2%(V)

Water Solubility ：

SOLUBLE

Sensitive ：

Hygroscopic

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

Merck ：

14,3300

BRN ：

102551

Henry's Law Constant：

4.89(x 10^-6 atm?m³/mol) (static headspace-GC, Welke et al., 1998)

Dielectric constant：

2.2（25℃）

Exposure limits：

TLV-TWA 25 ppm (≈90 mg/m³) (ACGIH), 100 ppm (MSHA and OSHA); carcinogenicity: Animal Sufficient Evidence (IARC).

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).

InChIKey：

RYHBNJHYFVUHQT-UHFFFAOYSA-N

LogP：

-0.42 at 20℃

CAS DataBase Reference：

123-91-1(CAS DataBase Reference)

IARC：

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

NIST Chemistry Reference：

1,4-Dioxane(123-91-1)

EPA Substance Registry System：

1,4-Dioxane (123-91-1)

SecurityInformation

Symbol(GHS) ：

GHS02,GHS07,GHS08

Signal word ：

Danger

Hazard statements ：

H225-H304-H315-H319-H335-H340-H350-H372-H412

Precautionary statements ：

P210-P273-P301+P310-P303+P361+P353-P305+P351+P338-P331

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 1993 3/PG 2

WGK Germany ：

3

RTECS ：

JG8225000

F ：

8

Autoignition Temperature：

180 °C

TSCA ：

Yes

HazardClass ：

3

PackingGroup ：

II

HS Code ：

29329990

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