Fluorescent staining
Auramine and auramine–rhodamine staining of acid-fast bacteria.
Speciality Dyes · Extra Pure
Auramine O
Also known as Basic Yellow 2 and C.I. 41000
CAS2465-27-2
FormulaC₁₇H₂₂ClN₃
MW303.83
A fluorescent diarylmethane dye used in fluorescent acid-fast staining and as a yellow dye.
AssayOn request
GradeExtra Pure
MW303.83
ISO 9001:2015 certified supplier
Overview
About Auramine O
Auramine O is a yellow diarylmethane dye that fluoresces strongly when bound.
Microbiology laboratories use it, alone or with rhodamine, for fluorescent staining of acid-fast bacteria. It is also used to colour paper, leather and textiles.
IdentityC₁₇H₂₂ClN₃
- CAS number
- 2465-27-2
- Molecular formula
- C₁₇H₂₂ClN₃
- Molecular weight
- 303.83
- Appearance
- Yellow powder
- Grade
- Extra Pure
Technical specification
Specification on request
We will send the current specification sheet for Auramine O, Extra Pure grade, with your quote, including the assay, limits and test methods.
Have your own limits?Send them with your enquiry. Our team will confirm which limits we can meet before you order.
Ask for the specification
Applications
Where Auramine O is used
Dyes
Colours paper, leather, jute and textiles.
Research
A fluorescent probe in chemical research.
Packing
Packed to your order
We pack Auramine O in sealed containers suited to the product, from laboratory bottles to bulk packs. Every container carries the product name, batch number, dates and hazard labels. Tell us the pack size and quantity you need.
Storage & handling
Keep it dry, closed and out of the light
- Store in the original, tightly closed container in a cool, dry, well-ventilated place.
- Protect from direct light and moisture.
- Dyes stain skin, clothing and surfaces strongly. Wear gloves, eye protection and a dust mask when handling.
Read the MSDS for full hazard, first-aid and disposal information.
Documents
Specification and safety documents
Ask for any of these and we will email them with your quote.
Questions
Frequently asked
Which pack sizes can I order?
Tell us the quantity you need. We will suggest the right pack, from laboratory bottles to bulk packs, with your quote.
Can I see the specification for Auramine O?
Yes. Ask for the specification sheet with your enquiry and we will send the current limits and test methods.
Can you supply against our own specification?
Send your specification with your enquiry. Our team will confirm which limits we can meet before you order.
Do you ship outside India?
Yes. We hold an Import Export Code and supply both domestic and export buyers. Mention the destination country in your enquiry so we can quote the right packing and documents.
Related products
Other speciality dyes
Enquire
Get a quote for Auramine O
Tell us the quantity, pack size and destination. We will confirm price, availability and lead time, and send the documents you need.
Phone & WhatsApp+91 77530 58907
Emailankur.agrawal@spacorporation.in