Leave Your Message
Aethylenglycolum
Producta
Categoriae Productorum

Aethylenglycolum

Ethylenum glycolum, etiam glycolum, 1,2-ethylenum glycolum, vel EG appellatur. Formula chemica est (CH₂OH)₂ et est diol simplicissimus. Ethylenum glycolum est liquor incolor, inodorum, dulcis, parvae toxicitatis animalibus praeditus; ethylenum glycolum cum aqua et acetone miscibile est, sed solubilitas minor est in aethere. Ut solvens, anticongelans, et materia prima pro polyestere synthetico adhibetur. Polyethylenum glycolum (PEG), polymerum ethyleni glycolis, est catalysator translationis phasis qui etiam ad fusionem cellularum adhibetur; eius nitras explosivum est.

  • Numerus CAS 107-21-1 [54]
  • Formula Chemica (CH₂OH)₂
  • Pondus Moleculare 62.068 [54]

Parametrus Producti

Egoille habet

Index

EINECS

203-473-3

Punctum fusionis

-13°C (lit.)

Punctum ebullitionis

195-198°C

Densitas

1.113 g/mL ad 25°C (lit.)

Densitas vaporis

2.1 (contra aerem)

Pressio vaporis

0.08 mm Hg (20°C)

Index refractionis

n20/D 1.431 (littera)

Punctum inflammationis

230°F

Temperatura repositionis

2-8°C

Solubilitas

aqua: miscibilis

Forma

Liquor Viscosus

pKa

14.22 (ad 25℃)

Color

Caeruleus

Polaritas relativa

0.79

PH

6-7.5 (100g/l, Aquam, 20℃)

Odor

Inodorus

Limites Explosivi

3.2% (V)

Solubilitas in Aqua

miscibilis

Punctum Congelationis

-11.5℃

Sensibilis

Hygroscopicus

λmax

λ: 260 nm Amax: ≤0.03

λ: 280 nm Amax: ≤0.01

Merck

14,3798

BRN

505945

Limites expositionis

Limite maximo in aere pro vapore et nebula 50 ppm (~125 mg/m²)3) (ACGIH); TWA 10 mg/m3 (particulat) (MSHA).

Constans dielectrica

37.0 (20℃)

LogP

-1.36 ad 25℃

Tensio superficialis

47.7mN/m ad 20°C

WGK Germania

Tres

RTECS

KW2975000

Temperatura Autoignitionis

752°F

TSCA

Ita

Toxicitas

LD50 in muribus, porcellis Indicis (g/kg): 8.54, 6.61 per os (Smyth); in muribus (ml/kg): 13.79 per os (Bornmann)

Res Index Unitas Valor Methodi Analyticae
Numerus Sortis / / SR2025041210 /
Aspectus Liquor pellucidus, impuritatibus mechanicis carens / Liquor pellucidus, impuritatibus mechanicis carens Inspectio Visualis
Aethylenglycolum ≥99.9 % (m/m) 99.94 GB/T 14571.2-2018
Diethylenum Glycolum ≤0.050 % (m/m) 0.039 GB/T 14571.2-2018
Coloritas (ante calefactionem) ≤5 Numerus Platini - Cobalti Duo GB/T 3143-1982 (2004)
Densitas (20℃) 1112.8-1113.8 Chiliogrammata/m³ 1111.3 GB/T 29617-2013
Intervallum Ebullitionis Celsius GB/T 7534-2004
Punctum Ebullitionis Initiale ≥196.0 197
Punctum siccum ≤199.0 198
Spatium 1
Humiditas ≤0.08 % (m/m) 0.014 GB/T 6283-2008
Aciditas (Calculata Ut Acidum Aceticum) ≤10 mg/kg sex GB/T 14571.1-2016
Ferri Contentum ≤0.10 mg/kg GB/T 3049-2006
Contentum Cineris ≤10 mg/kg GB/T 7531-2008
Contentum Aldehydi (Computatum Ut Formaldehydum) ≤8.0 mg/kg 7.9 GB/T 14571.3-2008
Transmittantia UV % GB/T 14571.4-2008
220nm ≥75 87.9
275nm ≥92 99.3
350nm ≥99 centum
Ion Chloridum ≤0.5 mg/kg GB/T 4649-2018

Make an free consultant

Your Name*

Phone Number

Country

Remarks*

reset