二乙醚

产品名称

二乙醚, for spectroscopy Uvasol^®

InChI

1S/C4H10O/c1-3-5-4-2/h3-4H2,1-2H3

SMILES string

CCOCC

InChI key

RTZKZFJDLAIYFH-UHFFFAOYSA-N

vapor density

2.6 (vs air)

vapor pressure

587 hPa ( 20 °C)

assay

≥98% (GC)

form

liquid

autoignition temp.

320 °F

potency

1215 mg/kg LD₅₀, oral (Rat), >2000 mg/kg LD₅₀, skin (Rabbit)

contains

2% ethanol as stabilizer

expl. lim.

36.5 %

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.0005% Peroxide, ≤0.03% Water

evapn. residue

≤0.0003%

color

APHA: ≤10

transmittance

220 nm, ≥30%, 235 nm, ≥55%, 250 nm, ≥80%, 270 nm, ≥90%, 300 nm, ≥98%

refractive index

n20/D 1.3530 (lit.)

Quality Level

100

mp

−116 °C (lit.)

transition temp

flash point -40 °C

density

0.706 g/mL at 25 °C (lit.)

UV absorption

λ: 220 nm A_max: ≤0.52, λ: 235 nm A_max: ≤0.26, λ: 250 nm A_max: ≤0.10, λ: 270 nm A_max: ≤0.05, λ: 300 nm A_max: ≤0.01

storage temp.

15-25°C