461199

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

average M_n 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
• Linear Formula: (CH₃)₂CHCH₂C(CH₃)[(-OCH₂CH₂-)_mOH]C≡CC(CH₃)[(-OCH₂CH₂-)_nOH]CH₂CH(CH₃)₂
• CAS Number: 9014-85-1
• MDL number: MFCD00678776
• UNSPSC Code: 12162002
• PubChem Substance ID: 24869824
• NACRES: NA.23

Properties

• mol wt: average M_n 670
• Quality Level: 200
• 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

Description

Application

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

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H315,H318,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 2
• flash_point_f: 235.4 °F - closed cup
• flash_point_c: 113 °C - closed cup
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter