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435546

Sigma-Aldrich

Ethylenediamine tetrakis(ethoxylate-block-propoxylate) tetrol

Synonym(s):

Tetronic 904

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About This Item

Linear Formula:
[-CH2N[(-CH2CH2O-)x[-CH2CH(CH3)O-]yH]2]2
CAS Number:
26316-40-5
MDL number:
MFCD00217363
UNSPSC Code:
12162002
NACRES:
NA.23

form

suspension

Quality Level

100

surface tension

43 dyn/cm, 25 °C, 0.1 wt. % in H2O

viscosity

3,870 cP(25 °C, Brookfield)(lit.)

mp

21 °C (DSC at peak)

transition temp

cloud point 71-75 °C

density

1.05 g/mL at 25 °C

HLB

1.0 - 7.0

InChI

1S/C34H72N2O12/c1-27(45-23-31(5)41-15-11-37)19-35(20-28(2)46-24-32(6)42-16-12-38)9-10-36(21-29(3)47-25-33(7)43-17-13-39)22-30(4)48-26-34(8)44-18-14-40/h27-34,37-40H,9-26H2,1-8H3

InChI key

BFKFABWTAFNFID-UHFFFAOYSA-N

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General description

Terminal secondary tetrahydroxy-functional oligomer.

Application

Hard and soft surface cleaners, defoamers in coatings and water treatment. Lubricant in metal working, anti-foaming aid and extender for linear and cross-linked polyesters and polyurethanes.

Features and Benefits

Surface activity is dependent on the EO/PO ratio. Lower foaming, greater defoaming and reduced gelling tendencies relative to Pluronic® surfactants. Terminal secondary hydroxyl groups have lower reactivity and acidity than the primary hydroxyl groups in Pluronic® surfactants.

Legal Information

Pluronic is a registered trademark of BASF

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317,H319

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1B

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

>482.0 °F - closed cup

Flash Point(C)

> 250 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ivana Gavrilović et al.
Drug testing and analysis, 13(3), 709-719 (2020-10-08)
Quality assurance schemes for drug-screening programmes require access to large quantities of biological matrices for reference or control samples. This presents problems when the availability of a matrix, such as oral fluid (OF) for screening or for confirmatory purposes, limits

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