Methoxsalen CAS 298-81-7
Methoxsalen CAS 298-81-7Methoxsalen CAS 298-81-7

Methoxsalen CAS 298-81-7

Methoxsalen CAS 298-81-7, Methoxsalen, CAS 298-81-7

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Molecular formula: C₁₂H₈O₄,Molecular weight: 216.19,Alternative names: 8-methoxypsoralen, methoxysarin, xanthan toxin.

298-81-7

C12H8O4

216.19

206-066-9

Methoxsalen CAS 298-81-7 Information

CAS 298-81-7
Molecular formula C12H8O4
Molecular weight 216.19
EIENCS 206-066-9
Form Needle-Like Crystals or Powder
Melting point 148-150°C
boling point 276.6°C
Density 1.1344
Solubility H2O: slightly soluble
PKA /
Color white to yellow
Storage temp /

Methoxsalen CAS 298-81-7

What is Methoxsalen CAS 298-81-7?

Molecules and Structures

Molecular formula: C₁₂H₈O₄

Molecular weight: 216.19

Alternative names: 8-methoxypsoralen, methoxysarin, xanthan toxin

Appearance: White to cream-colored crystalline solid. It may turn slightly yellow after long-term storage and has a bitter taste

Melting and boiling points: Melting point 143-148°C, boiling point 414.8°C (760 mmHg)

Solubility

Almost insoluble in water (extremely low water solubility);

Readily soluble in chloroform and acetone, slightly soluble in hot ethanol

Spectroscopy and Stability

Nuclear magnetic resonance (NMR) : Characteristic peak positions 7.764 ppm (aromatic ring H), 4.293 ppm (methoxy H)

Mass spectrometry (MS) : Molecular ion peak m/z 216 (base peak), fragment peaks m/z 173, 201

Stability: It should be stored in a sealed container away from light to prevent oxidation and discoloration


Methoxsalen CAS 298-81-7 Use

Medical treatment

Dermatology

PUVA therapy: It is used for the treatment of vitiligo and psoriasis. It activates photosensitivity through UVA irradiation and inhibits excessive proliferation of epidermal cells.

Anti-cancer adjuvant: Enhance radiotherapy sensitivity (such as T-cell lymphoma).

Other diseases

The research is used for repigmentation of vitiligo and improvement of fibrosis in scleroderma.

Agriculture and Scientific Research

Plant protection: Naturally present in Sichuan pepper and star anise, it has antispasmodic and antibacterial effects;

Scientific research reagents

Used as a reference material for content determination (HPLC-DAD/ mass spectrometry identification);

Construct a model of the mechanism of action of photosensitive drugs.


Methoxsalen CAS 298-81-7 safety

Toxicity risk

Acute toxicity: Oral LD₅₀ = 301 mg/kg in rats (harmful to swallowing, R25);

Chronic hazards

Long-term exposure may cause cancer (H350), mutations (H341), and damage liver and kidney organs.

Strong irritation to the eyes, skin and breathing apparatus (R36/37/38).

Operation protection

Essential equipment: Gas mask, chemical protective suit, nitrile gloves, goggles;

Leakage treatment: After the sand and soil are adsorbed, it should be incinerated as hazardous waste (flushing is prohibited to prevent diffusion).

Storage and Transportation

Store in a sealed, light-proof container at room temperature and in a dry place (≤25℃).

Dangerous goods code: UN 3216 (Class 6.1 Toxic substances).


Deshangchemical Info

  • ● Comgpany name : Shandong Deshang Chemicals Co., Ltd.
  • ● Main products : Treatments, sedimentation agents, flame retardants, catalysts, matte pigments, talcum powder, PVC additives, antifreeze agents, cellulose, cleaning agents, coconut oil, hydroxyethyl, cosmetics, matte agents, betaine, disinfectants, photosensitizers, humidifying agents, blue pigments, curing agents, potassium formate, sodium formate, cyclohexanol, preservatives, grinding aids.
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