Indigo Carmine

Molecular Formula: C₁₆H₈N₂O₈S₂Na₂
Catalog Number: IN115
Supplier/Brand: Spectrum Chemical
CAS Number: 860-22-0

Primary Unit of Measure25 GM

Display UOMEA

Container TypeN/A

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List Price $75.30

Catalog: IN115-25GM

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Description

Indigo Carmine, also known as indigotine or 5,5'-indigodisulfonic acid sodium salt, can be used as a pH indicator. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

Synonyms: Acid Blue 74 ; Indigotine ; Carmine Blue

Specifications

Print Specification

TEST	MIN	MAX
APPEARANCE
ABSORPTION MAX	608 nm
EXPIRATION DATE
DATE OF MANUFACTURE

Documentation

Shipping & Storage

Shipping Information

Tariff No. 3204133900

Storage Information

LIGHT SENSITIVE: Keep tightly closed in light-resistant containers.

05/09/25

Sheri S.

05/05/25

good service.

On https://www.spectrumchemical.com

Armando M.

04/18/25

None

Grayson L.

03/24/25

Service and product selection are

Service and product selection are great. I love that I can purchase things with a credit card.

M G.

02/24/25

Fast service fast getting the

Fast service fast getting the product delivered

Phillip K.

01/15/25

Very good

General Fees	Order Sub-Total	Shipping Charge
	$0 - <$299.99	$19.25
	$300 - <$499.99	$32.50
	$500 - <$999.99	$44.75
	>$1000	$57.75
Special Fees	Type of Fee	Charge
	UPS Hazardous (HAZMAT) Charge - Ground UPS Hazardous (HAZMAT) Charge - Air (Inaccessible) UPS Hazardous (HAZMAT) Charge - Air (Accessible)	$37.00 per box $51.50 per box $105.00 per box
	Poison Pack Charge	$15.00 per small box $25.00 per large box
	Cold Pack Charge	$10.00 per small ice pack $15.00 per large ice pack
	Order over 50 pounds dimensional weight	Carrier Published Rates
	Items shipped directly from the manufacturer	Carrier Published Rates
	Orders shipped outside the contiguous USA	Carrier Published Rates
	Oversize items	Carrier Published Rates

Indigo Carmine

Spectrum Chemical

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