LACMOID

Product Name: LACMOID
CAS No.: 33869-21-5
Chemical Name: LACMOID
Synonyms: LACMOID;CI 51400;Resorcein;IRIS BLUE B;CI NO 51400;RESORCIN BLUE;Resorcein Blue;RESORCINOL BLUE;FLUORESCENT BLUE;LACMOID INDICATOR
CBNumber: CB7195934
Molecular Formula: C24H16N2O6
Formula Weight: 428.39
MOL File: 33869-21-5.mol

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LACMOID Property

Melting point:: >250°C
Boiling point:: 785.7±60.0 °C(Predicted)
Density: 1.58±0.1 g/cm3(Predicted)
storage temp.: room temp
solubility: Sparingly soluble in water, ether; soluble in water, ethanol, methanol, amyl alcohol, Hacetone, acetic acid; practically insoluble in chloroform, benzene, petroleum ether
pka: 5.31(at 25℃)
form: powder
color: Black-violet
PH Range: Red (4.4) to blue (6.4)
Water Solubility: Slightly soluble in water
λmax: 611nm
Major Application: Electrochromic devices, photosensitive materials, parasiticides, hair dyes, cosmetics, ointment for hemorrhoids

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 274720
Product name: Lacmoid
Packaging: 10g
Price: $94.6
Updated: 2025/07/31

Sigma-Aldrich

Product number: 274720
Product name: Lacmoid
Packaging: 25g
Price: $208
Updated: 2025/07/31

TRC

Product number: L300223
Product name: Lacmoid
Packaging: 1g
Price: $45
Updated: 2021/12/16

Chem-Impex

Product number: 22960
Product name: Lacmoid
Packaging: 5G
Price: $23.3
Updated: 2021/12/16

Chem-Impex

Product number: 22960
Product name: Lacmoid
Packaging: 25G
Price: $99.01
Updated: 2021/12/16

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LACMOID Chemical Properties,Usage,Production

Uses

Lacmoid is a stain/dye. Dyes and metabolites.

LACMOID Preparation Products And Raw materials

Raw materials

Preparation Products

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LACMOID Suppliers

Canada 1 China 33 Europe 2 France 1 Germany 2 India 7 Japan 1 South Korea 1 Switzerland 1 Ukraine 1 United Kingdom 3 United States 21 Global 74

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33869-21-5, LACMOIDRelated Search:

FLUORESCEIN O-METHACRYLATE 97 LUCIFERASE FLUORESCEIN O-ACRYLATE 97 Fluorescein Fluorescent Brightener 28 PHOTOBIOTIN ACETATE 4-AMINO-2-BROMOPHENOL 2-Amino-6-bromophenol RESORUFIN 3,5-DIBROMO-4-METHYLANILINE 2,4-DIBROMOANISOLE 4-AMINO-2,6-DIBROMOPHENOL 2-Amino-4-bromophenol LACMOID INDOPHENOL 4-Bromoresorcinol 5-BROMO-2-METHOXYANILINE ACID FLUORESCENT BLUE,FLUORESCENT BLUE,LACMOID,LACMOID INDICATOR,IrisblueB(Lacmoid),LACMOID / RESORCIN BLUE

RESORCINOL BLUE

RESORCIN BLUE

ACID FLUORESCENT BLUE

CI NO 51400

CI 51400

IRIS BLUE B

FLUORESCENT BLUE

LACMOID

LACMOID INDICATOR

Resorcein

2-amino-3,6-bis(2,4-dihydroxyphenyl)-2-phenoxazone

Resorcein Blue

Lacmoid-(PhIndicator)

7-aMino-2,8-bis(2,4-dihydroxyphenyl)-3H-phenoxazin-3-one

3H-Phenoxazin-3-one, 7-amino-2,8-bis(2,4-dihydroxyphenyl)-

7-amino-8-(2,4-dihydroxyphenyl)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)-10H-phenoxazin-3-one,8-(2,4-dihydroxyphenyl)-7-hydroxy-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)-10H-phenoxazin-3-one

LACMOID (pH Indicator) Indicator grade

7-Amino-2,8-bis(2,4-dihydroxyphenyl)phenoxazin-3-one

7-amino-8-(2,4-dihydroxyphenyl)-2-(2-hydroxy-4-oxocyclohexa-2,

33869-21-5

pH Indicators

Indicator (pH)

Dyes and Pigments

J-K-L

Stains and Dyes

Stains&Dyes, A to

Miscellaneous