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Color Standards

Reference standards suitable for color calibration of spectroscopy instrumentation to ensure accurate and reliable results.
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3

Color Standard, APHA/Hazen (Platinum-Cobalt), Color = 3, Ricca Chemical

Boiling Point 100°C
CAS 7732-18-5
Color Brown/Yellow to Yellow
Physical Form Liquid
Packaging Amber Glass Bottle
Chemical Name or Material APHA / Hazen (Platinum-Cobalt)
6

Color Standard, APHA/Hazen (Platinum-Cobalt), Color = 50, Ricca Chemical

Boiling Point 100°C
Name Note Color = 50
CAS 7732-18-5
Color Brown/Yellow to Yellow
Physical Form Liquid
CAS Min % 0.01
Packaging Amber Glass Bottle
Chemical Name or Material Color Standard
Methods APHA / Hazen (Platinum-Cobalt)
CAS Max % 0.01
9

Reference Color Standard No. 9, ASTM D 848, Ricca Chemical

CAS: 7778-50-9 Molecular Formula: Cr2K2O7 Molecular Weight (g/mol): 294.182 InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N PubChem CID: 24502 ChEBI: CHEBI:53444 IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

PubChem CID 24502
CAS 7778-50-9
Molecular Weight (g/mol) 294.182
ChEBI CHEBI:53444
SMILES [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
IUPAC Name dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
InChI Key KMUONIBRACKNSN-UHFFFAOYSA-N
Molecular Formula Cr2K2O7
10

Reference Color Standard No.12, ASTM D 848, Ricca Chemical

CAS: 7778-50-9 Molecular Formula: Cr2K2O7 Molecular Weight (g/mol): 294.182 InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N PubChem CID: 24502 ChEBI: CHEBI:53444 IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

PubChem CID 24502
CAS 7778-50-9
Molecular Weight (g/mol) 294.182
ChEBI CHEBI:53444
SMILES [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
IUPAC Name dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
InChI Key KMUONIBRACKNSN-UHFFFAOYSA-N
Molecular Formula Cr2K2O7
11

Reference Color Standard No.13, ASTM D 848, Ricca Chemical

CAS: 7778-50-9 Molecular Formula: Cr2K2O7 Molecular Weight (g/mol): 294.182 InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N PubChem CID: 24502 ChEBI: CHEBI:53444 IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

PubChem CID 24502
CAS 7778-50-9
Molecular Weight (g/mol) 294.182
ChEBI CHEBI:53444
SMILES [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
IUPAC Name dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
InChI Key KMUONIBRACKNSN-UHFFFAOYSA-N
Molecular Formula Cr2K2O7
12

Food Blue No. 1 Aluminum Lake, TCI America™

CAS: 68921-42-6 Molecular Formula: C37H36N2O9S3 Molecular Weight (g/mol): 748.88 MDL Number: MFCD00198070 InChI Key: CTRXDTYTAAKVSM-UHFFFAOYSA-N PubChem CID: 129894326 IUPAC Name: (4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(4-{ethyl[(3-sulfophenyl)methyl]amino}phenyl)(2-sulfophenyl)methylium SMILES: CCN(CC1=CC=CC(=C1)S(O)(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=CC=C1S(O)(=O)=O

PubChem CID 129894326
CAS 68921-42-6
Molecular Weight (g/mol) 748.88
MDL Number MFCD00198070
SMILES CCN(CC1=CC=CC(=C1)S(O)(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=CC=C1S(O)(=O)=O
IUPAC Name (4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(4-{ethyl[(3-sulfophenyl)methyl]amino}phenyl)(2-sulfophenyl)methylium
InChI Key CTRXDTYTAAKVSM-UHFFFAOYSA-N
Molecular Formula C37H36N2O9S3
13

Reference Color Standard No.14, ASTM D 848, Ricca Chemical

CAS: 7778-50-9 Molecular Formula: Cr2K2O7 Molecular Weight (g/mol): 294.182 InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N PubChem CID: 24502 ChEBI: CHEBI:53444 IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

PubChem CID 24502
CAS 7778-50-9
Molecular Weight (g/mol) 294.182
ChEBI CHEBI:53444
SMILES [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
IUPAC Name dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
InChI Key KMUONIBRACKNSN-UHFFFAOYSA-N
Molecular Formula Cr2K2O7
15

Color Standard, Pt-Co, 500 Units APHA, Stock Solution, Certified, LabChem™

Linear Formula K2(PtCl6)
Solubility Soluble in water
Color Orange
Physical Form Liquid
UN Number UN1789
Chemical Name or Material Color Standard
Grade Certified
Identification Passes Test
Name Note Pt-Co, 500 Units APHA, Stock Solution
CAS 7732-18-5
Health Hazard 3 GHS P Statement
Obtain special instructions before use.
Do not handle until all safety precautions have been read and understood.
Do not breathe mist, vapors, spray.
Contaminated work clothing must not be allowed out of the workplace.
Wear protective gloves, eye protection, protective clothing, face protection.
Wear respiratory protection.
Wash exposed skin thoroughly after handling.
If swallowed: Rinse mouth.
Do not induce vomiting.
Immediately call a poison center/doctor.
If on skin (or hair): Remove immediately all contaminated clothing.
Rinse skin with water/shower.
Immediately call a poison center/doctor.
Wash contaminated clothing before reuse.
If inhaled: Remove person to fresh air and keep comfortable for breathing.
Immediately call a poison center/doctor.
If in eyes: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
Immediately call a poison center/doctor.
Store locked up.
Dispose of contents/container to comply with local, state and federal regulations.
Health Hazard 2 GHS H Statement
Causes severe skin burns and eye damage.
May cause an allergic skin reaction.
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause cancer.
May damage fertility or the unborn child.
Health Hazard 1 Danger
Packaging Amber Glass
Recommended Storage Room Temperature
Formula Weight 485.99
CAS Max % 0.1