MilliporeSigma
All Photos(1)

Documents

1.03164

Supelco

Eriochrome cyanine R (C.I. 43820)

for analysis (reagent for aluminium)

Sign Into View Organizational & Contract Pricing

Select a Size

Synonym(s):
Eriochrome cyanine R (C.I. 43820)
Empirical Formula (Hill Notation):
C23H15Na3O9S
CAS Number:
Molecular Weight:
536.39
EC Index Number:
222-641-7

Quality Level

potency

>2000 mg/kg LD50, oral (Rat)

loss

≤10% loss on drying, 110°C

pH

9.1 (24 °C, 10 g/L in H2O)

solubility

420 g/L

bulk density

590 kg/m3

λmax

434-440 nm (buffer pH 7.0)

storage temp.

2-30°C

InChI

1S/C23H18O9S.Na/c1-11-7-13(9-15(19(11)24)21(26)27)23(14-8-12(2)20(25)16(10-14)22(28)29)17-5-3-4-6-18(17)33(30,31)32-23;/h3-10,24-25H,1-2H3,(H,26,27)(H,28,29);/q;+1

InChI key

HJEGHSWGWSAZBS-UHFFFAOYSA-N

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
1.031681.031701.08462
Uranine AP (C.I. 45350) concentrated for the examination of subterranean waters

Supelco

1.08462

Uranine AP (C.I. 45350)

solubility

420 g/L

solubility

20 g/L

solubility

50 g/L

solubility

500 g/L

λmax

434-440 nm (buffer pH 7.0)

λmax

634-644 nm (buffer pH 10.0)

λmax

612-616 nm (buffer pH 10.0)

λmax

489-491 nm (buffer pH 8.0)

storage temp.

2-30°C

storage temp.

15-25°C

storage temp.

15-25°C

storage temp.

2-30°C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

potency

>2000 mg/kg LD50, oral (Rat)

potency

>5000 mg/kg LD50, oral (Rat)

potency

17590 mg/kg LD50, oral (Rat)

potency

6720 mg/kg LD50, oral (Rat)

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (buffer pH 7.0): 434 - 440 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 7.0; calc. on dried substance): 130 - 230
Loss on drying (110 °C): ≤ 10 %

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service