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CAS RN: 1898-66-4 | Product Number: D4313

1,1-Diphenyl-2-picrylhydrazyl Free Radical

Chemical Structure of 1,1-Diphenyl-2-picrylhydrazyl  Free Radical

Purity: >97.0%(HPLC)
Synonyms:
  • DPPH Free Radical
Product Documents:
1G
$86.00
8   3   Contact Us
5G
$282.00
1   4   Contact Us

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Product Number D4313
Purity / Analysis Method >97.0%(HPLC)
Molecular Formula / Molecular Weight C__1__8H__1__2N__5O__6 = 394.32 
Physical State (20 deg.C) Solid
Storage Temperature Refrigerated (0-10°C)
Condition to Avoid Heat Sensitive
CAS RN 1898-66-4
Reaxys Registry Number 14223149
PubChem Substance ID 172089145
MDL Number

MFCD00007231

Specifications
Appearance Black powder to crystal
Purity(HPLC) min. 97.0 area%
NMR confirm to structure
Properties (reference)
Melting Point 139 °C
Maximum Absorption Wavelength 515 nm (MeOH)
GHS
Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 + H312 + H332 : Harmful if swallowed, in contact with skin or if inhaled.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H317 : May cause an allergic skin reaction.
H334 : May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H242 : Heating may cause a fire.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P261 : Avoid breathing dust.
P270 : Do not eat, drink or smoke when using this product.
P285 : In case of inadequate ventilation wear respiratory protection.
P220 : Keep/Store away from clothing/ combustible materials.
P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P234 : Keep only in original container.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P272 : Contaminated work clothing must not be allowed out of the workplace.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P342 + P311 : If experiencing respiratory symptoms: Call a POISON CENTER/doctor.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention.
P362 : Take off contaminated clothing and wash before reuse.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/doctor if you feel unwell.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P411 : Store at temperatures not exceeding .? °C/ .? °F.
P420 : Store away from other materials.
P403 + P235 : Store in a well-ventilated place. Keep cool.
Related Laws:
RTECS# MW3250000
Transport Information:
UN Number (DOT-AIR) UN3224
Class (DOT-AIR) 4.1
HS Number 2928.00.2500
PubMed Literature


Product Documents (Note: Some products will not have analytical charts available.)
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Other Documents

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