Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Basic Blue 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: Methylene Blue
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Methylene Blue
Price: ￥155.0/100kg
Purity: 99.0%
Stocking Period: 3 Day
Contact: Wang Jie
Email: 3096638339@qq.com

61-73-4

61-73-4 structure

Name: Methylene Blue
Chemical Name: methylene blue
CAS Number: 61-73-4
Molecular Formula: C₁₆H₁₈ClN₃S
Molecular Weight: 319.85200
Catalog: Dyes and pigments dye Basic dye
Create Date: 2018-08-27 15:44:52
Modify Date: 2026-07-04 08:26:34
Methylene blue(Basic Blue 9) is used as a dye in chromoendoscopy, and is sprayed onto the mucosa of the gastrointestinal tract in order to identify dysplasia, or pre-cancerous lesions.

Name	methylene blue
Synonyms	METHYLENE BLUE STAIN evans blue tetrasodium salt Basovict Methylene Blue METHYLENE BLUE, LOEFFLER Evan's Blue METHYLENE BLUE, ZINC-FREE METHYLENE BLUE, CHLORIDE METHYLENE BLUE ACCORDING TO EHRLICH BASIC BLUE 9 Duasyn Basic Blue IAD01 METHYLENE BLUE-ALPHA METHYLENE BLUE INDICATOR Methylene Blue,certified abcolmethyleneblue2bznfree Loefflers alkaline methylene blue stain solution, Methylene Blue - potassium hydroxide solution METHYLTHIONINI CHLORIDUM METHYLENE BLUE CONCENTRATE ACC. TO EHR-L ICH, F. MICROSCOPY LOEFFLER'S METHYLENE BLUE METHYLENE BLUE WATER AND ALCOHOL SOLUBLE MFCD00012111 CI Direct Blue 53 Chromosmon CBLUENO.1 Methylene blue, cbol solution, for microscopy METHYLENE BLUE 3,7-Bis(dimethylamino)-5-phenothiazinium Chloride Basic Blue 9 METHYLENE BLUE POLYCRHOME (MCFADYEN'S) Methylene Blue 2B, Basic blue 9 3,7-BIS(DIMETHYLAMINO)PHENAZATHIONIUM CHLORIDE Leather blue hb METHYLENE BLUE, CHLORIDE, KOCH Methylene Blue Chloride (Certifiable Stain) METHYLTHIONINE CHLORIDE METHYLENE BLUE SOLUTION ACCORDING TO LOEFFLER Methylene Blue, certified, pureR METHYLENE BLUE 0.05 WT. % SOLUTION & Basic Blue 9,METHYLENE BLUE BB METHYLENE BLUE ZF METHYLENE BLUE, LOEFFLER FORMULA Methylene Blue p.a METHYLENE BLUE ALKALINE LOEFFLER METHYLENE BLUE ACCORDING TO LOFFLER CI BASIC BLUE 9 Ehrlichs III, Loefflers Methylene Blue METHYLENE BLUE CONCENTRATED, WATERY,ACCO RDING, TO EHRLICH FOR MICROSCOPY METHYLENE BLUE STAIN SOLUTION, LOEFFLER'S Methylene blue, C.I. 52015, extra Hidaco methylene blue salt free abcolmethyleneblue2b SWISS BLUE 3,7-BIS(DIMETHYLAMINO)-5-PHENOTHIAZINIUM CHLORIDE Methylene Blue solution alkaline according to Loeffler Methylene Blue FZ METHYLENE BLUE, LOEFFER FORMULA EINECS 200-515-2 MethylthioniniuM chloride METHYLENE BLUE LOEFFLER'S METHYLENE BLUE 2B Methylene blue, C.I. 52015, for microscopy METHYLENE BLUE, 0.05 WT. % SOLUTION IN W ATER Dycosbasic Methylene Blue BB Conbasic Blue N Ravi Methylene Blue Z.F METHYLENE BLUE BX MethyleneBlueGr METHYLENE BLUE POWDER

Description	Methylene blue(Basic Blue 9) is used as a dye in chromoendoscopy, and is sprayed onto the mucosa of the gastrointestinal tract in order to identify dysplasia, or pre-cancerous lesions.
Related Catalog	Signaling Pathways >> Others >> Others Dye Reagents Research Areas >> Others
References	[1]. Methylene blue, From Wikipedia

Density	1.0 g/mL at 20 °C
Melting Point	190 °C (dec.)(lit.)
Molecular Formula	C₁₆H₁₈ClN₃S
Molecular Weight	319.85200
Flash Point	45 °C
Exact Mass	319.09100
PSA	47.38000
Water Solubility	40 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SO5600000

CHEMICAL NAME :: 3H-Phenothiazine, 7-(dimethylamino)-3-(methylimino)-, 3-methochloride

CAS REGISTRY NUMBER :: 61-73-4

LAST UPDATED :: 199710

DATA ITEMS CITED :: 36

MOLECULAR FORMULA :: C16-H18-N3-S.Cl

MOLECULAR WEIGHT :: 319.88

WISWESSER LINE NOTATION :: T C666 BS EY INJ EUK1&1 MN1&1 &G &421

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Human - infant

DOSE/DURATION :: 15 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - cyanosis Blood - other changes

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1180 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 180 mg/kg

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

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 190 mg/kg

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

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1250 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3500 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 150 mg/kg

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

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 77 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 500 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 50 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Primate - monkey

DOSE/DURATION :: 10 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 41 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1 gm/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 300 mg/kg

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

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - domestic

DOSE/DURATION :: 42300 ug/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

DOSE :: 2500 mg/kg

SEX/DURATION :: female 1-22 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

MUTATION DATA

TYPE OF TEST :: DNA adduct

TEST SYSTEM :: Mammal - species unspecified Lymphocyte

DOSE/DURATION :: 1830 nmol/L

REFERENCE :: BIPMAA Biopolymers. (John Wiley & Sons, Inc., 605 Third Ave., New York, NY 10158) V.1- 1963- Volume(issue)/page/year: 12,1099,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1469 No. of Facilities: 4471 (estimated) No. of Industries: 35 No. of Occupations: 34 No. of Employees: 25916 (estimated) NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T1406 No. of Facilities: 150 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 664 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1469 No. of Facilities: 5956 (estimated) No. of Industries: 29 No. of Occupations: 51 No. of Employees: 74208 (estimated) No. of Female Employees: 43305 (estimated)

Symbol	GHS02
Signal Word	Warning
Hazard Statements	H226
Personal Protective Equipment	Eyeshields;Gloves
Hazard Codes	Xn:Harmful
Risk Phrases	R22;R41
Safety Phrases	26-39-36
RIDADR	UN 1993 3/PG 3
WGK Germany	3
RTECS	SP5740000
HS Code	2934300000

HS Code	2934300000
Summary	2934300000. other compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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