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Home> Encyclopedia > Hot Product Listed 7   > 7H-Furo[3,2-g][1]benzopyran-7-one
66-97-7 structure

7H-Furo[3,2-g][1]benzopyran-7-one

Iupac Name:furo[3,2-g]chromen-7-one
CAS No.:66-97-7
EINECS(EC#): 200-639-7
Molecular Weight:186.16354
Molecular Formula:C11H6O3 (isomer)
Names and Identifiers
Synonyms

2-Propenoic acid, 3-(6-hydroxy-5-benzofuranyl)-, d-lactone 6,7-Furanocoumarin Ficusin Furo[2',3':7,6]coumarin Furo[4',5':6,7]coumarin Furocoumarin(6CI) NSC 404562 Psoralen Psoralene

Inchi
InChI=1/C11H6O3/c12-11-2-1-7-5-8-3-4-13-9(8)6-10(7)14-11/h1-6H
Canonical Smiles
C1=CC(=O)OC2=CC3=C(C=CO3)C=C21
Properties
Appearance
Crystalline solid
Density
1.389
Melting Point
160-162℃
Boiling Point
362.6 oC at 760 mmHg
Refractive Index
1.667
Flash Point
173.1 oC
Color/Form
CRYSTALS FROM ETHER
Storage temp
2-8°C
Safety and Handling
Hazard Codes
Xn
Risk Statements
R36/37/38
Safety Statements
S26
Safety

Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
 

Hazard Codes: Xn
Risk Statements: 22-36/37/38
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Toxicity
1.    

mmo-esc 20 mg/L

    MUREAV    Mutation Research. 58 (1978),23.
2.    

mmo-smc 50 µmol/L

    BUCABS    Bulletin du Cancer. 67 (1980),245.
3.    

mrc-smc 50 µmol/L

    BUCABS    Bulletin du Cancer. 56 (1980),245.
Specification

 7H-Furo[3,2-g]benzopyran-7-one ,its cas register number is 66-97-7. It also can be called Ficusin ; Psoralene ; 6-Hydroxy-5-benzofuranacrylic Acid d-Lactone and Psoralen .

MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 4

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity \u2013 single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H302 Harmful if swallowed

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

Response

P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell.

P330 Rinse mouth.

P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/\u2026if you feel unwell.

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

Precursor and Product
Computational chemical data
  • Molecular Weight:186.16354g/mol
  • Molecular Formula:C11H6O3
  • Exact Mass:186.031694
  • Monoisotopic Mass:186.031694
  • Complexity:284
  • Rotatable Bond Count:0
  • Hydrogen Bond Donor Count:0
  • Hydrogen Bond Acceptor Count:3
  • Topological Polar Surface Area:39.4
  • Heavy Atom Count:14
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:1
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Recommended Suppliers
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