(E)-But-2-ene-1,4-diol

Name: (E)-But-2-ene-1,4-diol
Brand: SynthonLab
SKU: 821-11-4

CAS 821-11-4 C₄H₈O₂ 88.11 g/mol Catalogue item Alcohols & Diols

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Structure of (E)-But-2-ene-1,4-diol, CAS 821-11-4 — Structure · C4H8O2

CAS number: 821-11-4
Molecular formula: C₄H₈O₂
Molecular weight: 88.11 g/mol
Standard packing: 1kg / 25kg / 100kg

(E)-But-2-ene-1,4-diol is an alcohol entry in the catalogue: CAS 821-11-4, C4H8O2, molecular weight 88.11.

As a free alcohol it can be protected, activated as a leaving group or oxidised one step short of the acid, and the choice is usually decided by what has to survive afterwards. The geometry is stated in the name and is what the entry is bought for: the two isomers behave differently in the step it is used in. Two hydroxyls give two independent handles, and the usual problem is selectivity between them rather than conversion.

The formula C4H8O2 resolves to 4 carbons with 2 oxygens. Short-chain entries of this size are volatile enough that headspace and packing matter: the lot is shipped in sealed units and opened in a fume hood.

Handling and storage

Alcohols of this size are hygroscopic. Where the step is moisture sensitive the lot is dried over a molecular sieve before charging.

Ordering

The unit weights held are 1kg / 25kg / 100kg. A split shipment across two of those sizes is treated as one lot and one certificate. Identity is confirmed by NMR and MS at release, and the assay value belongs to the lot rather than to the catalogue entry.

Other alcohols & diols entries

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CAS	Compound	Formula	MW	Packing	Quote
111-28-4	(2E,4E)-Hexa-2,4-dien-1-ol	C₆H₁₀O	98.14	1kg / 25kg / 100kg	Request
764-37-4	(E)-Pent-3-en-1-ol	C₅H₁₀O	86.13	1kg / 25kg / 100kg	Request
4088-60-2	(Z)-But-2-en-1-ol	C₄H₈O	72.11	1kg / 25kg / 100kg	Request
98974-89-1	1,2:4,5-Di-O-isopropylidene-D,L-myo-inositol	C₁₂H₂₀O₆	260.28	1kg / 25kg / 100kg	Request
5140-03-4	1,4-Benzenediethanol	C₁₀H₁₄O₂	166.22	1kg / 25kg / 100kg	Request
922-65-6	1,4-Pentadien-3-ol	C₅H₈O	84.12	1kg / 25kg / 100kg	Request
629-30-1	1,7-Heptanediol	C₇H₁₆O₂	132.20	1kg / 25kg / 100kg	Request
4442-79-9	2-Cyclohexylethanol	C₈H₁₆O	128.21	1kg / 25kg / 100kg	Request

Specification

CAS	821-11-4
Formula	C₄H₈O₂
Molecular weight	88.11 g/mol
Packing	1kg / 25kg / 100kg
Assay	lot specific, on COA
Appearance	see COA
Storage	cool, dry, inert

Ordering

Catalogue items ship from stock or are made to order, whichever the lot status requires. A gram-scale sample is available before a kilo lot is committed.

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Supplied for laboratory and industrial use. Not for drug, cosmetic or household use.

Quotation

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Entry	(E)-But-2-ene-1,4-diol
CAS	821-11-4
Typical lead time	Stock or 2–4 weeks
Documentation	COA, SDS, spec sheet

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(E)-But-2-ene-1,4-diol (821-11-4)

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