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
InChI: 1S/C24H16N2O6/c25-17-9-23-18(7-15(17)13-3-1-11(27)5-20(13)29)26-19-8-16(22(31)10-24(19)32-23)14-4-2-12(28)6-21(14)30/h1-10,27-30H,25H2
InChIKey: ABNVFGQXCGFSFH-UHFFFAOYSA-N
SMILES: Nc1cc2OC3=CC(=O)C(=CC3=Nc2cc1-c4ccc(O)cc4O)c5ccc(O)cc5O

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
Storage Class: 11 - Combustible Solids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 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: $98.6
Updated: 2026/03/19

Sigma-Aldrich

Product number: 274720
Product name: Lacmoid
Packaging: 25g
Price: $217
Updated: 2026/03/19

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

Syntechem Co.,Ltd

Tel
Fax: E-Mail Inquiry
Email: info@syntechem.com
Country: China
ProdList: 12984
Advantage: 57

Hangzhou Yuhao Chemical Technology Co., Ltd

Tel: 0571-82693216
Fax: +86-571-82880190
Email: info@yuhaochemical.com
Country: China
ProdList: 6387
Advantage: 52

Beijing HuaMeiHuLiBiological Chemical

Tel: 010-56205725
Fax: 010-65763397
Email: waley188@sohu.com
Country: China
ProdList: 12335
Advantage: 58

Shanghai YuanYe Biotechnology Co., Ltd.

Tel: 021-61312847; 18021002903
Fax: QQ:3008007432
Email: 3008007409@qq.com
Country: China
ProdList: 86249
Advantage: 60

Dideu Industries Group Limited

Tel: +86-29-89586680 +86-15129568250
Email: 1026@dideu.com
Country: China
ProdList: 18895
Advantage: 58

TCI (Shanghai) Chemical Trading Co., Ltd.

Tel: 021-61109150
Fax: 021-61105897
Email: sales@tcisct.com
Country: China
ProdList: 29718
Advantage: 58

Shanghai Yingxin laboratory equipment Co., Ltd

Tel: 021-021-59178156 15300768757
Email: 359382369@qq.com
Country: China
ProdList: 10674
Advantage: 58

Shanghai Haohong Scientific Co., Ltd.

Tel: 400-8210725 4008210725
Email: malulu@leyan.com
Country: China
ProdList: 39602
Advantage: 58

Shanghai Guchen Biotechnology Co., LTD

Tel: 021-34675735 19147740836
Email: 1986399151@qq.com
Country: China
ProdList: 9844
Advantage: 58

NANTONG XINHE BIOTECH CO.,LTD

Tel: 13813727166，15370460228; 13813727166
Email: sale_xinhe@outlook.com
Country: China
ProdList: 374
Advantage: 58

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