ChemicalBook > CAS DataBase List > 7-Diethylamino-4-methylcoumarin

7-Diethylamino-4-methylcoumarin

Product Name
7-Diethylamino-4-methylcoumarin
CAS No.
91-44-1
Chemical Name
7-Diethylamino-4-methylcoumarin
Synonyms
COUMARIN 47;blancophorffg;4-METHYL-7-DIETHYLAMINOCOUMARIN;mdac);hakkolp;coumarin460;Fluorescent Brightener 52;Fluorescent Brightener 140;7-(Diethylamino)-4-methyl-2H-chromen-2-one;2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl-
CBNumber
CB5681196
Molecular Formula
C14H17NO2
Formula Weight
231.29
MOL File
91-44-1.mol
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7-Diethylamino-4-methylcoumarin Property

Melting point:
72-75 °C (lit.)
Boiling point:
240 °C / 6.5mmHg
Density 
1.122
vapor pressure 
0-0.003Pa at 20-25℃
refractive index 
1.5300 (estimate)
Flash point:
152°C
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
pka
3.51±0.20(Predicted)
form 
Crystalline Powder
color 
Light beige to light purple
Water Solubility 
slightly soluble
BRN 
193303
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
AFYCEAFSNDLKSX-UHFFFAOYSA-N
LogP
2.523-2.8 at 23-25℃
CAS DataBase Reference
91-44-1(CAS DataBase Reference)
NIST Chemistry Reference
Coumarin, 7-(diethylamino)-4-methyl-(91-44-1)
EPA Substance Registry System
7-Diethylamino-4-methylcoumarin (91-44-1)
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Safety

Hazard Codes 
Xn
Risk Statements 
36/37/38-20/21
Safety Statements 
37/39-26
WGK Germany 
2
RTECS 
GN6370000
TSCA 
Yes
HS Code 
29322090
Hazardous Substances Data
91-44-1(Hazardous Substances Data)
Toxicity
LD50 oral in rat: 5gm/kg
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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.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D87759
Product name
7-Diethylamino-4-methylcoumarin
Purity
99%
Packaging
5g
Price
$38.79
Updated
2025/07/31
Sigma-Aldrich
Product number
D87759
Product name
7-Diethylamino-4-methylcoumarin
Purity
99%
Packaging
100g
Price
$82.4
Updated
2025/07/31
TCI Chemical
Product number
M0631
Product name
7-Diethylamino-4-methylcoumarin
Purity
>98.0%(GC)(T)
Packaging
25g
Price
$30
Updated
2025/07/31
TCI Chemical
Product number
M0631
Product name
7-Diethylamino-4-methylcoumarin
Purity
>98.0%(GC)(T)
Packaging
500g
Price
$291
Updated
2025/07/31
Sigma-Aldrich
Product number
D87759
Product name
7-Diethylamino-4-methylcoumarin
Purity
99%
Packaging
500g
Price
$456
Updated
2025/07/31
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7-Diethylamino-4-methylcoumarin Chemical Properties,Usage,Production

Chemical Properties

light tan powder

Uses

Optical bleach in textile industry, in coatings for paper, labels, book covers, etc.; to lighten plastics, resins, varnishes, and lacquers; invisible marking agent.

Uses

7-(Diethylamino)-4-methylcoumarin, is potentially useful as a laser dye.

Definition

ChEBI: Coumarin 460 is a member of 7-aminocoumarins. It has a role as a fluorochrome.

General Description

Light tan grains. Gives bright blue-white fluorescence in very dilute solutions.

Reactivity Profile

7-Diethylamino-4-methylcoumarin is a lactone (behaves as an ester) and an amine. Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides.

Flammability and Explosibility

Not classified

Toxics Screening Level

The initial threshold screening level (ITSL) for 7-diethylamino-4 methyl coumarin is 16 μg/m3 based on an annual averaging time.

7-Diethylamino-4-methylcoumarin Preparation Products And Raw materials

Raw materials

Preparation Products

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7-Diethylamino-4-methylcoumarin Suppliers

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View Lastest Price from 7-Diethylamino-4-methylcoumarin manufacturers

Shanghai Xinchem
Product
7-Diethylamino-4-methylcoumarin 91-44-1
Price
US $0.00/kg
Min. Order
1kg
Purity
98%or99%
Supply Ability
10tons
Release date
2025-11-24
WUHAN FORTUNA CHEMICAL CO., LTD
Product
7-Diethylamino-4-methylcoumarin 91-44-1
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99.4%
Supply Ability
1000kg
Release date
2025-11-20
Hebei Chuanghai Biotechnology Co., Ltd
Product
7-Diethylamino-4-methylcoumarin 91-44-1
Price
US $30.00-10.00/KG
Min. Order
50KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-24

91-44-1, 7-Diethylamino-4-methylcoumarinRelated Search:

Acetonitrile Tetrahydro-4H-pyran-4-one 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole Methyl acetate Fluorescent brightener 85 Kresoxim-methyl Methanol Coumarin Lithium bis(trimethylsilyl)amide SCOPARONE FLUORESCENT BRIGHTENER 28 Amino tris(methylene phosphonic acid) 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene Coumarin 120 Basic Violet 1 C.I. 482200 4-Methylcumarin Tris(hydroxymethyl)aminomethane

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  • c.i. fluorescent brightener 140
  • C.I. Fluorescent Brightener 52
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  • 7-Diethylamino-4-methylcoumarin, 99%, pure
  • Aclarate 8678