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Cas Database

Name	PIPES	EINECS	227-057-6
CAS No.	5625-37-6	Density	1.505 g/cm³
PSA	131.98000	LogP	0.41700
Solubility	0.1 M NaOH: 0.25 g/mL, clear, colorless	Melting Point	>300 °C(lit.)
Formula	C₈H₁₈N₂O₆S₂	Boiling Point	N/A
Molecular Weight	302.373	Flash Point	N/A
Transport Information	N/A	Appearance	White/clear crystalline powder
Safety	22-24/25-37/39-26	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	1,4-Piperazinebis(ethanesulfonicacid);1,4-Piperazinebis(ethansulfonic acid);NSC 157117;1,4-Piperazinediethanesulfonicacid;Piperazine-1,4-bis(2-ethanesulfonic acid);Piperazine-N,N'-bis(2-ethanesulfonicacid);	Article Data	3

PIPES Synthetic route

: 110-85-0
piperazine

: 15484-44-3
Na-salt of 2-chloroethane-1-sulfonic acid

: 5625-37-6
2,2'-piperazine-1,4-diyl-bis-ethanesulfonic acid

Conditions

Conditions	Yield
With sodium hydroxide In water for 3h; pH=9 - 9.5;	86.3%

: 5625-37-6
2,2'-piperazine-1,4-diyl-bis-ethanesulfonic acid

A: 131543-46-9
Glyoxal

B: 25127-57-5
2,2'-Ethylendiimido-diethansulfonsaeure

Conditions

Conditions	Yield
With (batho)2CuII (batho = 2,9-dimethyl-4,7-diphenyl-1,10-phenanthrolinedisulfonate); water at 25℃; for 24h; Rate constant; pH 8;

: 100-97-0
hexamethylenetetramine

: 563-63-3
silver(I) acetate

: 5625-37-6
2,2'-piperazine-1,4-diyl-bis-ethanesulfonic acid

: 2Ag(1+)*(CH2)4N2(CH2CH2SO3)2(2-)*2N4(CH2)6*14H2O=[Ag2(C8H16N2O6S2)(C6H12N4)2(H2O)2]*12H2O

Conditions

Conditions	Yield
In ammonia; water aq. NH3; acid and amine added to aq. soln. of AgCH3COO; stirred for 15 min; ppt. dissolved by dropwise addn. of aq. NH3; soln. evapd. for 2 d at room temp.;

: ammonium metavanadate

: cobalt(II) chloride hexahydrate

: 5625-37-6
2,2'-piperazine-1,4-diyl-bis-ethanesulfonic acid

: 2C8H18N2O6S2*3Co(2+)*18H2O*10V(5+)*28O(2-)

Conditions

Conditions	Yield
With sodium hydroxide In methanol; water for 1.5h; pH=6;

PIPES Chemical Properties

IUPAC Name: 2-[4-(2-Sulfoethyl)piperazin-1-yl]ethanesulfonic acid
Empirical Formula: C₈H₁₈N₂O₆S₂
Molecular Weight: 302.3683g/mol
EINECS: 227-057-6
Structure of PIPES (CAS NO.5625-37-6):

Index of Refraction: 1.566
Molar Refractivity: 65.51 cm³
Molar Volume: 200.8 cm³
Polarizability: 25.97×10^-24cm³
Surface Tension: 63.5 dyne/cm
Density: 1.505 g/cm³
Physical Appearance: White/clear crystalline powder
Melting Point: >300 °C(lit.)
storage temp.: Store at RT.
solubility: 0.1 M NaOH: 0.25 g/mL, clear, colorless
Product Categories: Biochemistry; Good's Buffers; Buffer
Canonical SMILES: C1CN(CCN1CCS(=O)(=O)O)CCS(=O)(=O)O
InChI: InChI=1S/C8H18N2O6S2/c11-17(12,13)7-5-9-1-2-10(4-3-9)6-8-18(14,15)16/h1-8H2,(H,11,12,13)(H,14,15,16)
InChIKey: IHPYMWDTONKSCO-UHFFFAOYSA-N

PIPES Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-37/39-26
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
S37/39:Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3

PIPES Specification

PIPES , its cas register number is 5625-37-6. It also can be called 1,4-Piperazinebis(ethanesulfonic acid) ; Piperazine-N,N'-bis(2-ethanesulfonic acid) ; PIPES . PIPES (CAS NO.5625-37-6) is a white/clear crystalline powder which is irritating to eyes, respiratory system and skin.

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