Does E-1307 designate one exact isotridecyl alcohol ethoxylate molecule?

No. E-1307 normally refers to an isotridecyl alcohol ethoxylate with a nominal average of about seven EO units. It is an isomer and ethoxylate-chain distribution, not one discrete molecule. CAS 9043-30-5 identifies the broader family and does not by itself prove the 7EO grade, HLB or cloud point.

Can E-1307 be replaced directly with E-1309 or another product sharing CAS 9043-30-5?

No. E-1307 and E-1309 differ in their nominal EO level, so they can differ in hydrophilicity, cloud point, wetting, foam and phase behaviour. CAS identity is shared across the family. Compare the agreed EO level, active matter, water, hydroxyl value and test methods, then evaluate the candidate in the intended system.

E-1307 Isotridecyl Alcohol Ethoxylate 7EO CAS 9043-30-5

E-1307 is a generic nonionic isotridecyl alcohol ethoxylate grade targeted to a nominal average of about 7 EO units. CAS 9043-30-5 identifies the broader isotridecanol-ethoxylate family and does not itself prove 7EO, HLB, cloud point or manufacturer. Confirm the current COA/TDS and performance in the complete formulation.

CAS: 9043-30-5
Synonyms: E-1307; Isotridecyl alcohol ethoxylate 7EO; C13 oxo-alcohol ethoxylate 7EO; Polyoxyethylene isotridecyl ether
Einecs: 500-027-2
Molecular Formula: RO–(CH₂CH₂O)ₙ–H, R=branched C13 and nominal n≈7; alcohol-ethoxylate homologue distribution. C₂₇H₅₆O₈ is only the ideal 7EO homologue, not an exact product formula.
Grade: Confirm the nominal EO or PO level, feedstock range, active matter, water, physical form and relevant analytical values against the current TDS and COA.
Package: State required quantity, physical form and destination; confirm the current bag or container, liner, net weight, temperature handling and transport requirements before quotation.

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Product Description

1 Technical Specifications

2 Applications

3 Storage

4 Safety / Regulatory

Technical Specifications

Property	Specification
Chemical identity	Isotridecanol, ethoxylated; branched C13 alcohol ethoxylate
Nominal EO	About 7 EO for E-1307; CAS alone does not define this grade
Appearance	Liquid reference profile; confirm colour and form at the stated temperature
Cloud point / hydroxyl value	Current supplier COA/TDS with test medium, concentration and method
Active matter / water	Batch COA specification; do not state 99% molecular purity

Applications

For compatible industrial wetting, detergency, emulsification and dispersion systems, including selected hard-surface cleaning, textile processing and metal-cleaning formulations. Validate foam, cloud point, electrolyte tolerance and compatibility in the complete formulation. The grade name does not establish BASF manufacture.

Storage

Keep sealed in the original container in a dry, ventilated area at the temperature stated in the current TDS/SDS. Protect from contamination, moisture, heat and incompatible materials; manage low-temperature viscosity or haze only according to supplier instructions.

Safety / Regulatory

Review the current SDS before handling and use the required controls and PPE. This alcohol ethoxylate has no alkylphenol group by chemical identity, but an APEO-free claim requires a supplier declaration or agreed analytical limit. Confirm destination-specific chemical compliance before supply.

FAQ - Technical & Supply Chain

Q:
Does E-1307 designate one exact isotridecyl alcohol ethoxylate molecule?

A: No. E-1307 normally refers to an isotridecyl alcohol ethoxylate with a nominal average of about seven EO units. It is an isomer and ethoxylate-chain distribution, not one discrete molecule. CAS 9043-30-5 identifies the broader family and does not by itself prove the 7EO grade, HLB or cloud point.
Q:
Can E-1307 be replaced directly with E-1309 or another product sharing CAS 9043-30-5?

A: No. E-1307 and E-1309 differ in their nominal EO level, so they can differ in hydrophilicity, cloud point, wetting, foam and phase behaviour. CAS identity is shared across the family. Compare the agreed EO level, active matter, water, hydroxyl value and test methods, then evaluate the candidate in the intended system.

Ordering & Documentation

Key information for document requests, quotations, and supply planning.

Documents

COA, TDS, SDS/MSDS and packing details are available on request.

Quotation

Send the CAS number, grade, quantity, packing preference and destination.

Sample & Supply

Support is available for samples, trial orders, bulk and repeat supply.

Storage & Shipping

Product-specific conditions are confirmed before order.

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