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structure of 643-79-8

Phthaldialdehyde(CAS 643-79-8)

CAS No.: 643-79-8 Brand: MolBest
M. Ft.: C8H6O2 Cat. No: G1603078
M. Wt.: 134.13 MDL: MFCD00003335
Storage: 2-8°C Use: For laboratory research use only
HS CODE: 2912299000 UN No.: UN 2923 8 /PG II
Purity Grade Package Stock Price Quantity
99%
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RG 5G In Stock 4 USD
99%
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RG 100G In Stock 20 USD
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RG 500G In Stock 96 USD
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RG 2.5KG In Stock 447 USD
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RG 10KG In Stock 1758 USD
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Applications of 643-79-8

o-Phthalaldehyde has diverse applications across various fields:

  • Disinfectant: Commonly used for high-level disinfection of medical instruments under brand names like Cidex o-phthalaldehyde.
  • Analytical Chemistry: Utilized for amino acid analysis due to its fluorescent properties when reacting with amines and thiols.
  • Polymer Chemistry: Can be polymerized to form poly(phthalaldehyde), which is employed in photoresist materials and hydrogels.

Physical and chemical properties of 643-79-8

Boiling Point

BP: 83 °C at 0.8 mm Hg

BRN

878317

Decomposition

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

Density

Density (at 20 °C): 1.13 g/cm³

Exact Mass

134.036774

Exposure Limits

ACGIH: SL .025 mg/100 cm2; Ceiling 0.1 ppb (Skin)

Flash Point

132 °C c.c.

Index of Refraction

1.623

LogP

0.99 (30 °C)

Melting Point

55.8 °C

Merck

14,7368

Molecular Formula

C8H6O2

Molecular Weight

134.132

pH

7 (53g/l, H2O, 20℃)

PSA

34.14000

Sensitivity

Air Sensitive

Solubility

37.7g/L at 20°C in Water

Stability

Stable. Air sensitive. Incompatible with strong oxidizing agents, strong bases.

Storage condition

2-8°C

Vapour density

Relative vapor density (air = 1): 4.6

Vapour Pressure

Vapor pressure, Pa at 25 °C: 0.6

Water Solubility

soluble

Spectrums of 643-79-8

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 643-79-8

Retrosynthesis analysis of 643-79-8


Q&A for CAS 643-79-8

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Download SDS of 643-79-8

Pictograms

Signal Word

Danger

Hazard Statements

H228 Flammable solid
H301 Toxic if swallowed
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H335 May cause respiratory irritation
H373 May causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

Safety Data Sheet

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