Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Mordant orange 1
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Purity: 98.0%
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Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Mordant Orange 1 - Cas NO.: 2243-76-7
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

2243-76-7

2243-76-7 structure

Name: Mordant Yellow 3R
Chemical Name: (3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
CAS Number: 2243-76-7
Molecular Formula: C₁₃H₉N₃O₅
Molecular Weight: 287.228
Catalog: Biochemical Biochemical reagent Acid-base indicator
Create Date: 2018-07-16 08:32:11
Modify Date: 2026-06-30 09:34:00
Alizarine Yellow R (Mordant orange 1), a salicylic acid derivative, is a azo dye. Alizarine Yellow R is mostly used as a pH indicator, as a biological stain in chemical examinations and also in dyeing industries[1].

Name	(3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid
Synonyms	Mordant orange 1 azochromaloranger 5-[(E)-2-(4-nitrophenyl)-1-diazenyl]-2-hydroxybenzoic acid 5-(4-Nitrophenylazo)salicylic Acid Kenachrome Orange brasilianchromeoranger Salicylic acid, 5-(p-nitrophenylazo) ALIZIN ORANGE Alizarin yellow R Terra Cotta RRN 5-(4-Nitrophenylazo)salicylic acid, Alizin Yellow R alizineorange 5-(P-NITROPHENYLAZO)SALICYLIC ACID SODIUM SALT 5-(4-nitrophenylazo) salicylic acid TIMTEC-BB SBB008990 5-(4-Nitrophenylazo)salicylic acid Alizarin Yellow R MO1 2-hydroxy-5-[(4-nitrophenyl)azo]-Benzoicacid P-NITROBENZENEAZOSALICYLIC ACID SODIUM SALT mordant orange 1 c.i.mordantorange1 Pnbas tertrochromeyellow3r Chrome Orange MR alizineyellowr-cf terracotta2rn Alizin yellow RW 5-(4-Nitrophenylazo)salicylic acid C.I 2-Hydroxy-5-[(E)-(4-nitrophenyl)diazenyl]benzoic acid alphacroicoranger p-Nitrobenzeneazosalicylic Acid CHROME ORANGE Alizarine Yellow R Alizarol Orange R C.I.Mordant Orange 1 chromacidoranges alizineyellowr(indicator) EINECS 217-002-4 Alizin yellow R;5-[(p-Nitrophenyl)-azo]-salicylic acid,sodium salt Acid mordant Orange 1 alizineorangerd MO1 Alizin Yellow R 5-(4-Nitrophenylazo)salicylic Acid Terracotta 2RN Chrome Orange R alizineyellowrw Chrome Orange N Acid alizine Yellow r 2-hydroxy-5-((4-nitrophenyl)azo)-benzoicaci Anthranol chr 2-Hydroxy-5-[(4-nitrophenyl)azo]benzoic Acid Benzoic acid, 2-hydroxy-5-(4-nitrophenyl)azo Alizin yellow R ( in Water) [for PH Determination] anthranolchromeyellowr C.I. Mordant Orange I alizineyellowp terracottrn Mordant Orange 1 ( in Water) [for pH Determination] MFCD00067121 synchromateorangeaor ALIZIN YELLOW G INDICATOR C.I. no CI NO SODIUM P-NITROBENZENEAZOSALICYLATE acidalizinyellowr 2-hydroxy-5-[(4-nitrophenyl)azo]-benzoicaci alizineorange2gn SODIUM 5-(P-NITROPHENYLAZO)SALICYLATE ORANGE R ( IN WATER) yodochromeorangea 4-nitrobenzene-1-azo-5-salicylic Acid 5-(4-Nitrophenylazo)salicylic acid ALIZIN YELLOW R alizinechromeorangeg 5-((p-nitrophenyl)azo)-salicylicaci C.I.Mordant orange 1、C.I Magracrom Orange

Description	Alizarine Yellow R (Mordant orange 1), a salicylic acid derivative, is a azo dye. Alizarine Yellow R is mostly used as a pH indicator, as a biological stain in chemical examinations and also in dyeing industries[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Dhanush C, et al. Independent hydrothermal synthesis of the undoped, nitrogen, boron and sulphur doped biogenic carbon nanodots and their potential application in the catalytic chemo-reduction of Alizarine yellow R azo dye. Spectrochim Acta A Mol Biomol Spectrosc. 2021 Nov 5;260:119920.

Density	1.5±0.1 g/cm3
Boiling Point	571.4±50.0 °C at 760 mmHg
Melting Point	250°C
Molecular Formula	C₁₃H₉N₃O₅
Molecular Weight	287.228
Flash Point	299.4±30.1 °C
Exact Mass	287.054230
PSA	128.07000
LogP	4.26
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.672
Water Solubility	SOLUBLE

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VO5310000

CHEMICAL NAME :: Salicylic acid, 5-((p-nitrophenyl)azo)-

CAS REGISTRY NUMBER :: 2243-76-7

LAST UPDATED :: 199707

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C13-H9-N3-O5

MOLECULAR WEIGHT :: 287.25

WISWESSER LINE NOTATION :: WNR DNUNR DQ CVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 500 ug/plate

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 56,249,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1488 No. of Facilities: 332 (estimated) No. of Industries: 10 No. of Occupations: 14 No. of Employees: 5677 (estimated) NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T1335 No. of Facilities: 28 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 824 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1335 No. of Facilities: 33 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 786 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H319
Precautionary Statements	P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn: Harmful;
Risk Phrases	R22
Safety Phrases	S24/25-S26
RIDADR	NONH for all modes of transport
RTECS	VO5310000
HS Code	2901100000

3147-53-3

2243-76-7

Literature: Journal of the Chemical Society, , vol. 79, p. 50

14368-49-1

69-72-7

2243-76-7

Literature: Journal of the Chemical Society, , vol. 47, p. 661

100-05-0

3147-53-3

2243-76-7

Literature: Chemische Berichte, , vol. 40, p. 3453

100-05-0

3147-53-3

93656-74-7

2243-76-7

Literature: Chemische Berichte, , vol. 40, p. 3453 Journal fuer Praktische Chemie (Leipzig), , vol. <2>78, p. 402 Chemische Berichte, , vol. 40, p. 3454

7664-93-9

7697-37-2

3147-53-3

2243-76-7

Literature: Journal of the Chemical Society, , vol. 79, p. 50

Precursor 6
3147-53-3 14368-49-1 69-72-7 100-05-0
7664-93-9 7697-37-2
DownStream 6
101-51-9 100-01-6 21460-91-3 106-50-3
89-57-6 7664-41-7

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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