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BIRCH WOOD PYROLYSATE

PROHIBITION · SPEC

CAS

8001-88-5

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Material type

other

Canonical source

document derived

Formulation

Usage guidance

Suggested min

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Suggested max

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Cost

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Stock

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Compatibility tags

leatherchyprefougeresmoky-woodytobaccoincense

How it behaves

Olfactory profile

Family

roasted

Note tendency

Base

Descriptors

smokyleathertarphenolicwoodybirchcampfire

An intensely smoky, tarry material reminiscent of a doused campfire and cured leather. Dry phenolic-woody character with creosote and burnt birch bark facets, softening into a resinous smoked-wood drydown.AI · claude-opus-4-7

Intensity

9 / 10

Tenacity

9 / 10

Volatility

2 / 10

Members

The rest of this material

Composition, IFRA restriction figures, allergen concentrations and where this material is bought are part of Perfume Foundry’s curated library and need an account. Create one or sign in.

Reverse-composition

Contained in

Other ingredients whose composition declares this material as a constituent. The percentage shown is the supplier-declared concentration in that parent.

Ingredient	%	Range
BOULEAU PYROGENE 1840	—	10–25%

IFRA Annex I

Natural constituents in this material

Restricted IFRA-standard materials typically present in this NCS at the listed concentrations.

Constituent	CAS	Typical %
DIHYDROXYGUAIACOL	2785-87-7	0.9%

Identity

Aliases · 13

68917-50-084012-15-785251-66-785940-29-091745-85-6Birch tar oil, crudeBirch wood pyrolysateEssence bouleau dephenoliséeEssence bouleau (Goudron) rect.Prohibition of the crude material:Specification for the distillates:Birch tar oil dephenolatedBirch tar oil rectified

Compliance note. Restriction data is sourced directly from IFRA publications and preserved with its document excerpt. Perfume Foundry is a compliance-support tool — not a substitute for a qualified safety assessor (CPSR / PIF).