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Logwood Extract (Haematein)

Name: Logwood Extract (Haematein)
SKU: 0

Basic Information

CAS No.: 475-25-2
Molecular Formula: C16H12O6
Molecular Weight: 300.26

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Product Details

Lauryl hydroxysulfonyl betaine is an excellent amphoteric surfactant, usually a light yellow transparent liquid with a pH value of 6.0-8.0 and a density of approximately 1.1 (at 20℃). It has good water solubility, with a water solubility of 680g/L at 20℃.

Chemical Properties

Property	Value
Boiling point	350℃[at 101 325 Pa]
Density	1.1[at 20℃]
Vapor pressure	0Pa at 25℃
Water Solubility	680g/L at 20℃
InChI	InChI=1S/ C17H37NO4S/ c1-4-5-6-7-8-9-10- 11-12- 13-14- 18(2,3)15-17(19)16 -23(20,21)22/h17,19H, 4-16H2,1-3H3
InChIKey	DDGPBVIAYDDWDH-UHFFFAOYSA-N
SMILES	[N+](C)(C)(CCCCCCCCCCCC)CC(O)CS([O-])(=O)=O
LogP	-1.3 at 25℃
EPA Substance Registry System	1-Dodecanaminium, N-(2-hydroxy-3-sulfopropyl)-N,N-dimethyl-, inner salt (13197-76-7)

Safety Information

Property	Value
Safety descriptions	24/25
WGK Germany	3
RTECS number	DE3120000
F	8-10-23
TSCA	TSCA listed
HS code	32030010

Product Usage

Logwood Extract, derived from the heartwood of Haematoxylum campechianum, is a historic natural dye that remains indispensable in both biomedicine and industrial dyeing. In histology, its oxidized form, Haematein, is a crucial component of the H&E stain (Hematoxylin and Eosin), used to stain cell nuclei deep blue for pathological diagnosis—the gold standard in medical labs. In the textile and leather industries, it serves as a premium natural dyestuff that, when combined with different mordants, produces deep, light-fast shades of black, purple, and blue on silk, wool, cotton, and leather. Additionally, its eco-friendly nature makes it a popular choice for high-end natural inks and botanical hair dyes in the personal care sector.

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Logwood Extract (Haematein)

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