Citronin A

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Names

[ CAS No. ]:
846-70-8

[ Name ]:
Citronin A

[Synonym ]:
Disodium 5,7-dinitro-8-oxido-2-naphthalenesulfonate
2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, sodium salt (1:2)
MFCD00003958
EINECS 212-690-2
FD & C Yellow No. 1
Sulfur Yellow S
Citronin A
Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulfonate
Naphthol Yellow S Hydrate
Acid yellow 1
NAPHTHOL YELLOW S
8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt
Ext. D & C yellow no. 7
Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulphonate
C.I. Acid Yellow 1

Chemical & Physical Properties

[ Melting Point ]:
>300℃

[ Molecular Formula ]:
C₁₀H₄N₂Na₂O₈S

[ Molecular Weight ]:
358.192

[ Exact Mass ]:
357.948364

[ PSA ]:
180.28000

[ LogP ]:
3.83130

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QK1813000

CHEMICAL NAME :: 2-Naphthalenesulfonic acid, 5,7-dinitro-8-hydroxy-, disodium salt

CAS REGISTRY NUMBER :: 846-70-8

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C10-H6-N2-O8-S.2Na

MOLECULAR WEIGHT :: 360.22

Safety Information

[ Symbol ]:

GHS07, GHS08

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H317-H373

[ Precautionary Statements ]:
P260-P280

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi,C,F

[ Risk Phrases ]:
11-34

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
QK1813000

[ HS Code ]:
2904909090

Customs

[ HS Code ]: 2904909090

[ Summary ]:
HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Articles

Determination of the fraction of G0 cells in cytologic samples by means of simultaneous DNA and nuclear protein analyses.

Anal. Quant. Cytol. 5(1) , 1-4, (1983)

The ratio of protein to amount of DNA in the nucleus was cytophotometrically determined by means of a combined Feulgen-naphthol yellow S staining procedure. Quiescent normal lymphocytes, bronchial epi...

Location of naphthol yellow-S binding site on bovine serum albumin.

J. Pharmacobiodyn. 4(11) , 851-9, (1981)

The characteristics of the binding site in the first binding class of naphthol yellow-S (NY-S) on bovine serum albumin (BSA) were studied. The binding of NY-S to BSA at an equimolar ratio of each mate...

"In situ"--measurements of protein contents in the brush border region along rat jejunal villi and their correlations with four enzyme activities.

Histochemistry 72(3) , 467-79, (1981)

In order to quantify the amount of protein in the small intestinal brush border region at different villus sites, cryostat sections of adult rat jejunum were stained with Naphthol Yellow S, Dinitroflu...

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