BES

Modify Date: 2025-08-25 08:58:45

BES structure	Common Name	BES
	CAS Number	10191-18-1	Molecular Weight	213.252
	Density	1.4±0.1 g/cm3	Boiling Point	N/A
	Molecular Formula	C₆H₁₅NO₅S	Melting Point	150-155 °C
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS07	Signal Word	Warning

Use of BES

BES is a secondary standard biochemical buffer with effective pH range of 6.4 to 7.8 (pKa: 7.15 at 20 ℃). BES is used in the diagnostic testing area.

Name	2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid
Synonym	More Synonyms

Description	BES is a secondary standard biochemical buffer with effective pH range of 6.4 to 7.8 (pKa: 7.15 at 20 ℃). BES is used in the diagnostic testing area.
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others

Density	1.4±0.1 g/cm3
Melting Point	150-155 °C
Molecular Formula	C₆H₁₅NO₅S
Molecular Weight	213.252
Exact Mass	213.067093
PSA	106.45000
LogP	-2.52
Index of Refraction	1.548
Storage condition	Store at RT.
Water Solubility	Soluble

BES MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KI7363500

CHEMICAL NAME :: Ethanesulfonic acid, 2-(bis(2-hydroxyethyl)amino)-

CAS REGISTRY NUMBER :: 10191-18-1

BEILSTEIN REFERENCE NO. :: 1781572

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H15-N-O5-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: >316 mg/kg

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

REFERENCE :: EESADV Ecotoxicology and Environmental Safety. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1977- Volume(issue)/page/year: 6,149,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2451 No. of Facilities: 48 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 598 (estimated) No. of Female Employees: 456 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	KI7363500
HS Code	29221980

ethene-sulfonat...

CAS#:3851-91-0

dea

CAS#:111-42-2

BES

CAS#:10191-18-1

Literature: Bulletin de la Societe Chimique de France, , p. 2531 - 2537

ETHYLENE OXIDE

CAS#:75-21-8

Taurine

CAS#:107-35-7

BES

CAS#:10191-18-1

Literature: Pharmaceutical Bulletin, , vol. 2, p. 275,278 Pharmaceutical Bulletin, , vol. 3, p. 88,91 US2830082 , ;

Precursor 4
CAS#:3851-91-0 ethene-sulfonat... CAS#:111-42-2 dea CAS#:75-21-8 ETHYLENE OXIDE CAS#:107-35-7 Taurine
DownStream 1
CAS#:98277-87-3 2-[Bis(2-chloro...

HS Code	2922199090
Summary	2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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Electroactive biofilms play essential roles in determining the power output of microbial fuel cells (MFCs). To engineer the electroactive biofilm formation of Shewanella oneidensis MR-1, a model exoel...

N,N-Bis(hydroxyethyl)-2-aminoethanesulfonic acid

BES (buffering agent)

N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic Acid[BES]

Ethanesulfonic acid,2-[bis(2-hydroxyethyl)amino]

Ethanesulfonic acid, 2-[bis(2-hydroxyethyl)amino]-

N,N-Bis(2-Hydroxyethyl)-2-Aminoethanesulfonic Acid

N,N-bis(2-hydroxyethyl)taurine

2-(Bis(2-hydroxyethyl)amino)ethanesulfonic acid

2-(Bis(2-Hydroxyethyl)Amino)-Ethanesulfonicacid

MFCD00007533

BES

2-[Bis(2-hydroxyethyl)amino]ethanesulfonic acid

N,N-Bis(2-hydroxyethyl)-2-aminoethanesulphonic acid

Taurine,N,N-bis(2-hydroxyethyl)

N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic Acid [Good's buffer component

N,N-bis-(2-hydroxyethyl)-2-aminoethanesulphonic acid

EINECS 233-465-5

Taurine, N,N-bis(2-hydroxyethyl)-

bis hydroxyethylaminoethane sulphonic acid

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: BES
Price: Check
Purity: 99.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: BES
Price: ￥108.0/5g ￥188.0/10g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

Henan Tianfu Chemical Co., Ltd.
China
Product Name: BES
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: BES
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.