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Tartrazine
C.I NO: 19140
C
16
H
9
N
4
Na
3
O
9
S
2
CAS-No: 1934-21-0
EC-No: 217-699-5
EC index No: -
M= 534.36 g/mol
Soluble in H
2
O -
Colour: Orange coloured powder
Odour: Odorless
pH value Not applicable
Melting point: -
Harmful
H-STATEMENT/EUH: H319;334;317 / P285;
280;261;264;272;302+352;305+351+338;304
+341;333+313;342+311;363;501
HS-CODE: 3212 9000
LGK: -
971.D01
Tartrazine -
(C.I.19140) for microscopy
Specification
Appearance
Orange colored powder
Absorption maxima in water
421 - 427 nm
Absorptivity, 1cm, Imax
400
Loss on drying (135°C)
15 %
catalogue
number
971.D01.0010
971.D01.0025
971.D01.0050
971.D01.0100
packing
specs
plastic bottle
plastic bottle
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
6 pieces
6 pieces
weight
in pack
10 g
25 g
50 g
100 g
Tetra-n-butylammonium hydrogen sulfate
C
16
H
37
NO
4
S
CAS-No: 32503-27-8
EC-No: 251-068-5
EC index No: -
M= 339.54 g/mol
Vapor Pressure: -
Specific density: -
Flash point: -
Soluble in H
2
O soluble at 20°C
pH value 1 - 2 (100 g/l, H
2
O, 20°C)
Melting point: 168 - 174°C
Bulk density: 650 kg/m
3
Boiling point: -
Ignition temperature: -
Explosive limit: -
Viscosity kinematic: -
Irritant
H-STATEMENT/EUH: H315;319 / P302+
352;305+351+338
Test Type: -
Results: -
HS-CODE: 2923 90 00
LGK: 10-13 Disposal: 3
WGK: - UN: -
972.03P
Tetra-n-butylammonium hydrogen sulfate -
For ion pair chromatography
Specification
Assay (acidimetric;
calculated on dried substance)
99%
Identity (IR-spectrum)
passes test
pH-value (10%; water)
2
UV-transmission
(200 nm; 0.005 mol/l; 1cm; water)
70 %
UV-transmission
(220 nm; 0.005 mol/l; 1cm; water)
90 %
UV-transmission
(250 nm; 0.005 mol/l; 1cm; water)
98 %
Loss on drying (120°C, vacuum)
2 %
catalogue
number
972.03P.0051
packing
specs
glass bottle
pack
in box
4 pieces
weight
in pack
50 g
Tetrahydrofuran
C
4
H
8
O
CAS-No: 109-99-9
EC-No: 203-726-8
EC index No: 603-025-00-0
M= 72.11 g/mol
Vapor Pressure: 200 hPa (20°C)
Specific density: 0.89 g/cm3 (20°C)
Flash point: -20°C
Soluble in H
2
O Fully miscible
pH value 7-8 (200g/l; 20°C)
Melting point: -108.5°C
Bulk density: -
Boiling point: 66°C
Ignition temperature: 215°C
Explosive limit: 1.5 - 12.4 % (V)
Viscosity kinematic: -
Irritant , flammable
H-STATEMENT/EUH: H225;H302;319;351;
335, EUH019 / P210;241;303+361+353;305+
351+ 338;405+501
Test Type: LD50 Oral Rat
Results: 1650 mg/kg
HS-CODE: 2932 11 00 LGK: 3
Disposal: 1 WGK: 1 UN: 2056
972.017
Tetrahydrofuran -
For liquid chromatography
Specification
Purity (GC)
99.9 %
Identity (IR)
passes test
Evaporation residue
0.0001 %
Water
0.02 %
Acidity
0.0002meq/g
Alkalinity
0.0002meq/g
Peroxide
0.02 %
Transmission (at 218 nm)
30 %
Transmission (at 230 nm)
35 %
Transmission (at 250 nm)
65 %
Transmission (at 280 nm)
95 %
Filtred by 0.2µm filter
catalogue
number
972.017.2501
packing
specs
glass bottle
pack
in box
4 pieces
volume
in pack
2.5 l
972.027
Tetrahydrofuran -
Unstabilized HPLC-S
Specification
Assay (GC, on anhydrous basis)
99.9 %
Appearance
Clear colorless liquid
T230 nm
35%
T254 nm
70%
T280 nm
95%
T300 nm
98%
Acidity (asAcetic acid)
0.002%
Water (KF)
0.02%
Peroxides (as H
2
O
2
)
0.01%
Residue after evaporation
0.0002%
Color (APHA)
10
Grad. elution H.Peak at 254 nm 0.01AU
Grad. elution H.Peak at 280 nm 0.005AU
Filtered through 0.2 µm
catalogue
number
972.027.2501
packing
specs
glass bottle
pack
in box
4 pieces
volume
in pack
2.5 l