Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Basic Red 9
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Pararosaniline chloride, high purity biological stain, pure
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

569-61-9

569-61-9 structure

Name: Pararosaniline Hydrochloride
Chemical Name: pararosaniline
CAS Number: 569-61-9
Molecular Formula: C₁₉H₁₈ClN₃
Molecular Weight: 323.819
Catalog: Dyes and pigments dye Basic dye
Create Date: 2018-06-27 10:36:55
Modify Date: 2025-08-25 07:42:16
Pararosaniline hydrochloride is a pH-responsive basic dye, as a biological stain to track certain proteins. Pararosaniline hydrochloride has been used in the analysis of SO2 and formaldehyde and staining of bacteria or other organisms[1][2].

Name	pararosaniline
Synonyms	fuchsinesp Basic Red 9 Basic red 9 (p-Rosaniline HCl) (C.I. 42500) 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene)dianiline Monohydrochloride Paramagenta hydrochloride Parafuchsin hydrochlorid pararosaniline chloride Orient Paramagenta Base p-Rosaniline hydrochloride Paraosaniline hydrochloride Parafuchsin hydrochloride 4,4'-[(4-iminocyclohexa-2,5-dien-1-ylidene)methanediyl]dianiline hydrochloride (1:1) Fuchsin SP MAGENTA 1 FUCHSIN Basic Rubine p-Rosaniline Chloride AFB STAIN 4,4'-[(4-Imino-2,5-cyclohexadien-1-ylidene)methylene]dianiline hydrochloride (1:1) MFCD00001657 benzenamine, 4,4'-[(4-imino-2,5-cyclohexadien-1-ylidene)methylene]bis-, monohydrochloride ROSANILINE BASIC FUCHSIN 4,4'-[(4-Iminocyclohexa-2,5-dien-1-ylidene)methylene]dianiline hydrochloride (1:1) EINECS 211-189-6 pararosaniline monohydrochloride fuchsinsp tris(4-aminophenyl)methylium chloride FUCHSINE a-(p-Aminophenyl)-a-(4-imino-2,5-cyclohexadien-1-ylidene)-4-toluidine Monohydrochloride Benzenamine, 4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl], monohydrochloride MAGENTA Benzenamine, 4,4'-[(4-imino-2,5-cyclohexadien-1-ylidene)methylene]bis-, hydrochloride (1:1) Pararosaniline hydrochloride

Description	Pararosaniline hydrochloride is a pH-responsive basic dye, as a biological stain to track certain proteins. Pararosaniline hydrochloride has been used in the analysis of SO2 and formaldehyde and staining of bacteria or other organisms[1][2].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Yaagoob IY, et al. A resin containing motifs of maleic acid and glycine: a super-adsorbent for adsorptive removal of basic dye pararosaniline hydrochloride and Cd(II) from water. J Environ Health Sci Eng. 2021 Jun 17;19(2):1333-1346. [2]. Barun Kumar Nandi, et al. Removal of Pararosaniline Hydrochloride Dye (Basic Red 9) from Aqueous Solution by Electrocoagulation: Experimental, Kinetics, and Modeling. Journal of Dispersion Science and Technology. Volume 34, 2013 - Issue 12. 1713-1724

Density	0.999 g/mL at 20 °C
Boiling Point	568.2ºC at 760mmHg
Melting Point	250 °C
Molecular Formula	C₁₉H₁₈ClN₃
Molecular Weight	323.819
Flash Point	11 °C
Exact Mass	323.118927
PSA	75.89000
LogP	5.86280
Index of Refraction	n20/D 1.334
Storage condition	Store at RT.
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	10 G/L (25 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CX9850100

CHEMICAL NAME :: Benzenamine, 4-((4-aminophenyl)(4-imino-2,5-cyclohexadien-1-yliden e)methyl), monohydrochloride

CAS REGISTRY NUMBER :: 569-61-9

LAST UPDATED :: 199710

DATA ITEMS CITED :: 36

MOLECULAR FORMULA :: C19-H17-N3.Cl-H

MOLECULAR WEIGHT :: 323.85

WISWESSER LINE NOTATION :: L6Y DHJ AUM DYR DZ&R DZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 18200 mg/kg/13W-C

TOXIC EFFECTS :: Endocrine - thyroid weight (goiter) Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 728 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Endocrine - thyroid tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1714 mg/kg/43W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 364 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Endocrine - adrenal cortex tumors

MUTATION DATA

TYPE OF TEST :: DNA adduct

TEST SYSTEM :: Mammal - species unspecified Lymphocyte

DOSE/DURATION :: 10 pph

REFERENCE :: BIPMAA Biopolymers. (John Wiley & Sons, Inc., 605 Third Ave., New York, NY 10158) V.1- 1963- Volume(issue)/page/year: 11,2537,1972 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 57,215,1993 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 4,57,1974 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 4,57,1974 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 57,215,1993 IARC Cancer Review:Group 2B IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 57,215,1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1440 No. of Facilities: 148 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 494 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1440 No. of Facilities: 165 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 907 (estimated) No. of Female Employees: 733 (estimated)

Symbol	GHS08
Signal Word	Danger
Hazard Statements	H350
Precautionary Statements	P201-P308 + P313
Personal Protective Equipment	Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	T: Toxic;
Risk Phrases	R45
Safety Phrases	7-16-53-45-36/37
RIDADR	UN 2924 3/PG 2
WGK Germany	3
RTECS	CX9850000
HS Code	32041300

569-61-9

Literature: Analytical Chemistry, , vol. 55, # 3 p. 567 - 570

Precursor 1
569-61-9
DownStream 3
569-61-9 548-61-8 4439-05-8

HS Code	2921499090
Summary	2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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