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461199

Sigma-Aldrich

2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate

average Mn 670

Synonym(s):

2,4,7,9-Tetramethyl-5-decyne-4,7-diol-ethylene oxide adduct, 2,4,7,9-tetramethyl-5-decyne-4,7-diol, Acetylenol EL

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About This Item

Linear Formula:
(CH3)2CHCH2C(CH3)[(-OCH2CH2-)mOH]C≡CC(CH3)[(-OCH2CH2-)nOH]CH2CH(CH3)2
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

mol wt

average Mn 670

Quality Level

refractive index

n20/D 1.468

pH

6-8

surface tension

47 dyn/cm, 0.01 wt. % in H2O

bp

>121 °C (lit.)

transition temp

cloud point 63 °C
pour point 7 °C

solubility

carbon tetrachloride, xylene and ethylene glycol: soluble

density

1.04 g/mL at 25 °C

HLB

13

SMILES string

OCCO.CC(C)CC(C)(O)C#CC(C)(O)CC(C)C

InChI

1S/C14H26O2.C2H6O2/c1-11(2)9-13(5,15)7-8-14(6,16)10-12(3)4;3-1-2-4/h11-12,15-16H,9-10H2,1-6H3;3-4H,1-2H2

InChI key

SUHUKEQAOUOUJO-UHFFFAOYSA-N

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Application

Surfactant.
Reduces surface tension; wetting agent, defoamer, and emulsifier for emulsion polymerization.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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