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Details

Stereochemistry ACHIRAL
Molecular Formula 2C5H5N.Cr2H2O7
Molecular Weight 376.2037
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of PYRIDINIUM DICHROMATE

SMILES

C1=CC=NC=C1.C2=CC=NC=C2.O[Cr](=O)(=O)O[Cr](O)(=O)=O

InChI

InChIKey=RCBVKBFIWMOMHF-UHFFFAOYSA-L
InChI=1S/2C5H5N.2Cr.2H2O.5O/c2*1-2-4-6-5-3-1;;;;;;;;;/h2*1-5H;;;2*1H2;;;;;/q;;2*+1;;;;;;;/p-2

HIDE SMILES / InChI
Molecular Formula Cr2H2O7
Molecular Weight 218.0039
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE
Molecular Formula C5H5N
Molecular Weight 79.0999
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Approval Year

Unknown
149124
Patents

Patents

04478842
18
04523030
2
04539410
25
04673673
1
04855322
27
04973600
1
05068345
3
05169857
6
05231113
5
05430041
1
05523490
2
05565485
1
05593993
8
05602275
1
05654316
3
05663166
2
05716624
4
05763465
2
05767285
2
05830885
1
05922742
2
06121450
2
06225328
1
06448405
3
06710064
1
06933319
4
07018988
3
07202247
1
07304093
1
07459472
5
07598419
2
07601850
28
07687491
4
08110581
2
08188283
2
08193378
3
08318762
7
08497288
2
08623889
7
08673946
4
08772290
1
Substance Class Chemical
Created
by admin
on Mon Mar 31 22:38:45 GMT 2025
Edited
by admin
on Mon Mar 31 22:38:45 GMT 2025
Record UNII
Y7AV7UFN7K
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
PYRIDINE, COMPD. WITH DICHROMIC ACID (H2CR2O7) (2:1)
Preferred Name English
PYRIDINIUM DICHROMATE
MI  
Systematic Name English
BIS(PYRIDINIUM) DICHROMATE
Systematic Name English
PYRIDINIUM DICHROMATE [MI]
Common Name English
CHROMIC ACID (H2CR2O7), COMPD. WITH PYRIDINE (1:2)
Systematic Name English
Code System Code Type Description
SMS_ID
300000053530
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
WIKIPEDIA
Pyridinium dichromate
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
CHEBI
176796
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
CAS
20039-37-6
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
MERCK INDEX
m9357
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY Merck Index
PUBCHEM
159879
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
FDA UNII
Y7AV7UFN7K
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
ECHA (EC/EINECS)
243-478-8
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
EPA CompTox
DTXSID60889393
Created by admin on Mon Mar 31 22:38:45 GMT 2025 , Edited by admin on Mon Mar 31 22:38:45 GMT 2025
PRIMARY
NIH
NCATS
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